How many letters does the Bulgarian alphabet have?

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Tags

1. #gained
2. #codification
3. #1870s
4. #orthographic
5. #century
6. #modern
7. #alphabets
8. #middle
9. #during
10. #alphabet
11. #several
12. #cyrillic
13. #proposed
14. #early
15. #drinov
16. #marin
17. #bulgarian
18. #reform
19. #until
20. #prominence
21. #efforts
22. #letters