Epenthetic й in verb ҫи

For the following forms of verb ҫи epenthetic й is not generated:

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}п 0,000000
```
_ҫиӗп_ is generated instead of _ҫийӗп_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}н 0000000
```
_ҫин_ is generated instead of _ҫийӗн_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{ӗ} 0,000000
```
_ҫиӗ_ is generated instead of _ҫийӗ_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}п{Ă}р 0,000000
```
_ҫиӗпӗр_ is generated instead of _ҫийӗпӗр_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}р 0,000000
```
_ҫиӗр_ is generated instead of _ҫийӗр_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{ӗ}ҫ 0,000000
```
_ҫиӗҫ_ is generated instead of _ҫийӗҫ_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}тт{Ă}м 0,000000
```
_ҫиӗттӗм_ is generated instead of _ҫийӗттӗм_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}тт{Ă}н 0,000000
```
_ҫиӗттӗн_ is generated instead of _ҫийӗттӗн_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{ӗ}ҫҫ{ӗ} 0,000000
```
`ҫиӗҫҫӗ` is generated instead of `ҫийӗҫҫӗ`

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}тт{Ă}м{Ă}р 0,000000
```
_ҫиӗттӗмӗр_ is generated instead of _ҫийӗттӗмӗр_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}тт{Ă}р 0,000000
```
_ҫиӗттӗр_ is generated instead of _ҫийӗттӗр_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{ӗ}ҫҫ{ӗ}ҫ 0,000000
```
_ҫиӗҫҫӗҫ_ is generated instead of _ҫийӗҫҫӗҫ_

```
$ echo "ҫи" | hfst-lookup .deps/chv.LR.lexc.hfst 2> /dev/null
ҫи ҫи>{Ă}р 0,000000
```
_ҫиӗр_ is generated instead of _ҫийӗр_