Support all ISO 639-2 language codes

Only a few of the ISO 639-2 language codes are currently supported. See https://github.com/gunthercox/mathparse/blob/master/mathparse/mathwords.py for existing data.

ISO 639-2 Language Codes

• https://www.loc.gov/standards/iso639-2/php/code_list.php

Progress: 28 of 487 supported

• AAR (Afar)
• ABK (Abkhazian)
• ACE (Achinese)
• ACH (Acoli)
• ADA (Adangme)
• ADY (Adyghe)
• AFA (Afro-Asiatic languages)
• AFH (Afrihili)
• AFR (Afrikaans)
• AIN (Ainu)
• AKA (Akan)
• AKK (Akkadian)
• ALB (Albanian)
• ALE (Aleut)
• ALG (Algonquian languages)
• ALT (Southern Altai)
• AMH (Amharic)
• ANG (English, Old (ca.450-1100))
• ANP (Angika)
• APA (Apache languages)
• ARA (Arabic)
• ARC (Official Aramaic (700-300 BCE))
• ARG (Aragonese)
• ARM (Armenian)
• ARN (Mapudungun)
• ARP (Arapaho)
• ART (Artificial languages)
• ARW (Arawak)
• ASM (Assamese)
• AST (Asturian)
• ATH (Athapascan languages)
• AUS (Australian languages)
• AVA (Avaric)
• AVE (Avestan)
• AWA (Awadhi)
• AYM (Aymara)
• AZE (Azerbaijani)
• BAD (Banda languages)
• BAI (Bamileke languages)
• BAK (Bashkir)
• BAL (Baluchi)
• BAM (Bambara)
• BAN (Balinese)
• BAQ (Basque)
• BAS (Basa)
• BAT (Baltic languages)
• BEJ (Beja)
• BEL (Belarusian)
• BEM (Bemba)
• BEN (Bengali)
• BER (Berber languages)
• BHO (Bhojpuri)
• BIH (Bihari languages)
• BIK (Bikol)
• BIN (Bini)
• BIS (Bislama)
• BLA (Siksika)
• BNT (Bantu languages)
• TIB (Tibetan)
• BOS (Bosnian)
• BRA (Braj)
• BRE (Breton)
• BTK (Batak languages)
• BUA (Buriat)
• BUG (Buginese)
• BUL (Bulgarian)
• BUR (Burmese)
• BYN (Blin)
• CAD (Caddo)
• CAI (Central American Indian languages)
• CAR (Galibi Carib)
• CAT (Catalan)
• CAU (Caucasian languages)
• CEB (Cebuano)
• CEL (Celtic languages)
• CZE (Czech)
• CHA (Chamorro)
• CHB (Chibcha)
• CHE (Chechen)
• CHG (Chagatai)
• CHI (Chinese)
• CHK (Chuukese)
• CHM (Mari)
• CHN (Chinook jargon)
• CHO (Choctaw)
• CHP (Chipewyan)
• CHR (Cherokee)
• CHU (Church Slavic)
• CHV (Chuvash)
• CHY (Cheyenne)
• CMC (Chamic languages)
• CNR (Montenegrin)
• COP (Coptic)
• COR (Cornish)
• COS (Corsican)
• CPE (Creoles and pidgins, English based)
• CPF (Creoles and pidgins, French-based)
• CPP (Creoles and pidgins, Portuguese-based)
• CRE (Cree)
• CRH (Crimean Tatar)
• CRP (Creoles and pidgins)
• CSB (Kashubian)
• CUS (Cushitic languages)
• WEL (Welsh)
• DAK (Dakota)
• DAN (Danish)
• DAR (Dargwa)
• DAY (Land Dayak languages)
• DEL (Delaware)
• DEN (Slave (Athapascan))
• GER (German)
• DGR (Tlicho)
• DIN (Dinka)
• DIV (Divehi)
• DOI (Dogri (macrolanguage))
• DRA (Dravidian languages)
• DSB (Lower Sorbian)
• DUA (Duala)
• DUM (Dutch, Middle (ca.1050-1350))
• DUT (Dutch)
• DYU (Dyula)
• DZO (Dzongkha)
• EFI (Efik)
• EGY (Egyptian (Ancient))
• EKA (Ekajuk)
• GRE (Modern Greek (1453-))
• ELX (Elamite)
• ENG (English)
• ENM (English, Middle (1100-1500))
• EPO (Esperanto)
• EST (Estonian)
• EWE (Ewe)
• EWO (Ewondo)
• FAN (Fang)
• FAO (Faroese)
• PER (Persian)
• FAT (Fanti)
• FIJ (Fijian)
• FIL (Filipino)
• FIN (Finnish)
• FIU (Finno-Ugrian languages)
• FON (Fon)
• FRE (French)
• FRM (French, Middle (ca.1400-1600))
• FRO (French, Old (842-ca.1400))
• FRR (Northern Frisian)
• FRS (Eastern Frisian)
• FRY (Western Frisian)
• FUL (Fulah)
• FUR (Friulian)
• GAA (Ga)
• GAY (Gayo)
• GBA (Gbaya)
• GEM (Germanic languages)
• GEO (Georgian)
• GEZ (Geez)
• GIL (Gilbertese)
• GLA (Gaelic)
• GLE (Irish)
• GLG (Galician)
• GLV (Manx)
• GMH (German, Middle High (ca.1050-1500))
• GOH (German, Old High (ca.750-1050))
• GON (Gondi)
• GOR (Gorontalo)
• GOT (Gothic)
• GRB (Grebo)
• GRC (Greek, Ancient (to 1453))
• GRN (Guarani)
• GSW (Swiss German)
• GUJ (Gujarati)
• GWI (Gwich'in)
• HAI (Haida)
• HAT (Haitian)
• HAU (Hausa)
• HAW (Hawaiian)
• HEB (Hebrew)
• HER (Herero)
• HIL (Hiligaynon)
• HIM (Himachali languages)
• HIN (Hindi)
• HIT (Hittite)
• HMN (Hmong)
• HMO (Hiri Motu)
• HRV (Croatian)
• HSB (Upper Sorbian)
• HUN (Hungarian)
• HUP (Hupa)
• IBA (Iban)
• IBO (Igbo)
• ICE (Icelandic)
• IDO (Ido)
• III (Sichuan Yi)
• IJO (Ijo languages)
• IKU (Inuktitut)
• ILE (Interlingue)
• ILO (Iloko)
• INA (Interlingua (International Auxiliary Language Association))
• INC (Indic languages)
• IND (Indonesian)
• INE (Indo-European languages)
• INH (Ingush)
• IPK (Inupiaq)
• IRA (Iranian languages)
• IRO (Iroquoian languages)
• ITA (Italian)
• JAV (Javanese)
• JBO (Lojban)
• JPN (Japanese)
• JPR (Judeo-Persian)
• JRB (Judeo-Arabic)
• KAA (Kara-Kalpak)
• KAB (Kabyle)
• KAC (Kachin)
• KAL (Kalaallisut)
• KAM (Kamba)
• KAN (Kannada)
• KAR (Karen languages)
• KAS (Kashmiri)
• KAU (Kanuri)
• KAW (Kawi)
• KAZ (Kazakh)
• KBD (Kabardian)
• KHA (Khasi)
• KHI (Khoisan languages)
• KHM (Central Khmer)
• KHO (Khotanese)
• KIK (Kikuyu)
• KIN (Kinyarwanda)
• KIR (Kirghiz)
• KMB (Kimbundu)
• KOK (Konkani (macrolanguage))
• KOM (Komi)
• KON (Kongo)
• KOR (Korean)
• KOS (Kosraean)
• KPE (Kpelle)
• KRC (Karachay-Balkar)
• KRL (Karelian)
• KRO (Kru languages)
• KRU (Kurukh)
• KUA (Kuanyama)
• KUM (Kumyk)
• KUR (Kurdish)
• KUT (Kutenai)
• LAD (Ladino)
• LAH (Lahnda)
• LAM (Lamba)
• LAO (Lao)
• LAT (Latin)
• LAV (Latvian)
• LEZ (Lezghian)
• LIM (Limburgan)
• LIN (Lingala)
• LIT (Lithuanian)
• LOL (Mongo)
• LOZ (Lozi)
• LTZ (Luxembourgish)
• LUA (Luba-Lulua)
• LUB (Luba-Katanga)
• LUG (Ganda)
• LUI (Luiseño)
• LUN (Lunda)
• LUO (Luo (Kenya and Tanzania))
• LUS (Lushai)
• MAC (Macedonian)
• MAD (Madurese)
• MAG (Magahi)
• MAH (Marshallese)
• MAI (Maithili)
• MAK (Makasar)
• MAL (Malayalam)
• MAN (Mandingo)
• MAO (Maori)
• MAP (Austronesian languages)
• MAR (Marathi)
• MAS (Masai)
• MAY (Malay (macrolanguage))
• MDF (Moksha)
• MDR (Mandar)
• MEN (Mende)
• MGA (Irish, Middle (900-1200))
• MIC (Mi'kmaq)
• MIN (Minangkabau)
• MIS (Uncoded languages)
• MKH (Mon-Khmer languages)
• MLG (Malagasy)
• MLT (Maltese)
• MNC (Manchu)
• MNI (Manipuri)
• MNO (Manobo languages)
• MOH (Mohawk)
• MON (Mongolian)
• MOS (Mossi)
• MUL (Multiple languages)
• MUN (Munda languages)
• MUS (Creek)
• MWL (Mirandese)
• MWR (Marwari)
• MYN (Mayan languages)
• MYV (Erzya)
• NAH (Nahuatl languages)
• NAI (North American Indian languages)
• NAP (Neapolitan)
• NAU (Nauru)
• NAV (Navajo)
• NBL (South Ndebele)
• NDE (North Ndebele)
• NDO (Ndonga)
• NDS (Low German)
• NEP (Nepali (macrolanguage))
• NEW (Nepal Bhasa)
• NIA (Nias)
• NIC (Niger-Kordofanian languages)
• NIU (Niuean)
• NNO (Norwegian Nynorsk)
• NOB (Norwegian Bokmål)
• NOG (Nogai)
• NON (Norse, Old)
• NOR (Norwegian)
• NQO (N'Ko)
• NSO (Pedi)
• NUB (Nubian languages)
• NWC (Classical Newari)
• NYA (Chichewa)
• NYM (Nyamwezi)
• NYN (Nyankole)
• NYO (Nyoro)
• NZI (Nzima)
• OCI (Occitan (post 1500))
• OJI (Ojibwa)
• ORI (Oriya (macrolanguage))
• ORM (Oromo)
• OSA (Osage)
• OSS (Ossetian)
• OTA (Turkish, Ottoman (1500-1928))
• OTO (Otomian languages)
• PAA (Papuan languages)
• PAG (Pangasinan)
• PAL (Pahlavi)
• PAM (Pampanga)
• PAN (Panjabi)
• PAP (Papiamento)
• PAU (Palauan)
• PEO (Persian, Old (ca.600-400 B.C.))
• PHI (Philippine languages)
• PHN (Phoenician)
• PLI (Pali)
• POL (Polish)
• PON (Pohnpeian)
• POR (Portuguese)
• PRA (Prakrit languages)
• PRO (Provençal, Old (to 1500))
• PUS (Pushto)
• QAA (Reserved for local use)
• QUE (Quechua)
• RAJ (Rajasthani)
• RAP (Rapanui)
• RAR (Rarotongan)
• ROA (Romance languages)
• ROH (Romansh)
• ROM (Romany)
• RUM (Romanian)
• RUN (Rundi)
• RUP (Aromanian)
• RUS (Russian)
• SAD (Sandawe)
• SAG (Sango)
• SAH (Yakut)
• SAI (South American Indian languages)
• SAL (Salishan languages)
• SAM (Samaritan Aramaic)
• SAN (Sanskrit)
• SAS (Sasak)
• SAT (Santali)
• SCN (Sicilian)
• SCO (Scots)
• SEL (Selkup)
• SEM (Semitic languages)
• SGA (Irish, Old (to 900))
• SGN (Sign Languages)
• SHN (Shan)
• SID (Sidamo)
• SIN (Sinhala)
• SIO (Siouan languages)
• SIT (Sino-Tibetan languages)
• SLA (Slavic languages)
• SLO (Slovak)
• SLV (Slovenian)
• SMA (Southern Sami)
• SME (Northern Sami)
• SMI (Sami languages)
• SMJ (Lule Sami)
• SMN (Inari Sami)
• SMO (Samoan)
• SMS (Skolt Sami)
• SNA (Shona)
• SND (Sindhi)
• SNK (Soninke)
• SOG (Sogdian)
• SOM (Somali)
• SON (Songhai languages)
• SOT (Sotho, Southern)
• SPA (Spanish)
• SRD (Sardinian)
• SRN (Sranan Tongo)
• SRP (Serbian)
• SRR (Serer)
• SSA (Nilo-Saharan languages)
• SSW (Swati)
• SUK (Sukuma)
• SUN (Sundanese)
• SUS (Susu)
• SUX (Sumerian)
• SWA (Swahili (macrolanguage))
• SWE (Swedish)
• SYC (Classical Syriac)
• SYR (Syriac)
• TAH (Tahitian)
• TAI (Tai languages)
• TAM (Tamil)
• TAT (Tatar)
• TEL (Telugu)
• TEM (Timne)
• TER (Tereno)
• TET (Tetum)
• TGK (Tajik)
• TGL (Tagalog)
• THA (Thai)
• TIG (Tigre)
• TIR (Tigrinya)
• TIV (Tiv)
• TKL (Tokelau)
• TLH (Klingon)
• TLI (Tlingit)
• TMH (Tamashek)
• TOG (Tonga (Nyasa))
• TON (Tonga (Tonga Islands))
• TPI (Tok Pisin)
• TSI (Tsimshian)
• TSN (Tswana)
• TSO (Tsonga)
• TUK (Turkmen)
• TUM (Tumbuka)
• TUP (Tupi languages)
• TUR (Turkish)
• TUT (Altaic languages)
• TVL (Tuvalu)
• TWI (Twi)
• TYV (Tuvinian)
• UDM (Udmurt)
• UGA (Ugaritic)
• UIG (Uighur)
• UKR (Ukrainian)
• UMB (Umbundu)
• UND (Undetermined)
• URD (Urdu)
• UZB (Uzbek)
• VAI (Vai)
• VEN (Venda)
• VIE (Vietnamese)
• VOL (Volapük)
• VOT (Votic)
• WAK (Wakashan languages)
• WAL (Wolaitta)
• WAR (Waray)
• WAS (Washo)
• WEN (Sorbian languages)
• WLN (Walloon)
• WOL (Wolof)
• XAL (Kalmyk)
• XHO (Xhosa)
• YAO (Yao)
• YAP (Yapese)
• YID (Yiddish)
• YOR (Yoruba)
• YPK (Yupik languages)
• ZAP (Zapotec)
• ZBL (Blissymbols)
• ZEN (Zenaga)
• ZGH (Standard Moroccan Tamazight)
• ZHA (Zhuang)
• ZND (Zande languages)
• ZUL (Zulu)
• ZUN (Zuni)
• ZXX (No linguistic content)
• ZZA (Zaza)

Start with mathparse/mathwords.py to review the existing language data, then use the linked ISO 639-2 code list as the source for the missing entries. Track additions against the checklist and finish when all 487 listed codes are supported.