特定の条件下で「かい」で「日位」が候補に出る

## Description
特定の条件下で「かい」と入力すると、「日位」が候補に表示されます。

「3日位」の読み方は「みっかくらい」「みっかぐらい」「さんにちくらい」「さんにちぐらい」あたりが考えられますが、「かくらい」「かぐらい」と読むのであって「かい」ではないはずです。

## Steps to reproduce
Steps to reproduce the behavior:
1. 直接入力で「4」と入力
2. Mozcオン
3. 直後に「かい」と入力
4. 候補の最上位に「日位」が出る

## Expected behavior
A clear and concise description of what you expected to happen.

## Actual behavior
A clear and concise description of what you actually got.

## Screenshots
If applicable, add screenshots to help explain your problem.

## Version or commit-id
Mozc-2.31.5810.102+24.11.oss

## Environment
- OS: Arch Linux
- IMF (for Linux) fcitx5
- Related Applications Firefox

## Investigations
- Whether this issue happens on both Ibus and other IMF (e.g. Fcitx, uim).
+ yes, no, N/A
- Whether this issue happens on other IMEs (e.g. Anthy, SKK).
+ yes, no, N/A
- What applications this issue happens on (e.g. Chromium, gedit).
+ list of applications
- What applications this issue does not happen on (e.g. Chromium, gedit).
+ list of applications, or not-found
- (optional) What versions or commit-ids this issue did not happen on
(e.g. Mozc-2.28.4960.100+24.11.oss).
+ list of versions or commit-ids, or no-investigation.

## Additional context
Add any other context about the problem here.