=== TESTING EACH RUSSIAN LETTER ===

Total letters in system: 24
Letters: А, Б, В, Г, Д, Ж, З, И, К, Л, М, Н, О, П, Р, С, Т, У, Ф, Х, Ц, Ч, Ш, Э

✅ А: 11 tags (no filtering)
✅ Б: 9 tags (no filtering)
✅ В: 12 tags (no filtering)
✅ Г: 2 tags (no filtering)
✅ Д: 10 tags (no filtering)
⚪ Е: no tags in data
✅ Ж: 2 tags (no filtering)
✅ З: 2 tags (no filtering)
✅ И: 19 tags (no filtering)
✅ К: 20 tags (no filtering)
✅ Л: 6 tags (no filtering)
✅ М: 14 tags (no filtering)
✅ Н: 5 tags (no filtering)
✅ О: 14 tags (no filtering)
✅ П: 34 tags (no filtering)
✅ Р: 6 tags (no filtering)
✅ С: 23 tags (no filtering)
✅ Т: 18 tags (no filtering)
✅ У: 3 tags (no filtering)
✅ Ф: 2 tags (no filtering)
✅ Х: 1 tags (no filtering)
✅ Ц: 1 tags (no filtering)
✅ Ч: 3 tags (no filtering)
✅ Ш: 10 tags (no filtering)
⚪ Щ: no tags in data
✅ Э: 9 tags (no filtering)
⚪ Ю: no tags in data
⚪ Я: no tags in data

=== SUMMARY ===
Working letters: 24
Broken letters (all tags filtered): 0

=== CHECKING SPECIFIC PROBLEMATIC TAGS ===
✅ PASS: в (slug: during)
✅ PASS: в (slug: ctw)
✅ PASS: вверх (slug: up)
✅ PASS: вверх (slug: upstream)
✅ PASS: вел (slug: led)
✅ PASS: вечер (slug: pm)

=== END ===