"OS" flagged even though it's in `dictionary.dict`

<img width="508" height="347" alt="Image" src="https://github.com/user-attachments/assets/dc73e1b4-a6bc-4e3d-a934-d1936c9ffe22" />

Right here around line 7568:
```
OR/CNO              # Oregon
OS/ONgJ
OSHA/Og             # agency
```
Not sure it should be marked as a proper noun or adjective though. I'll check and probably adjust those in my upcoming dictionary curation PR.