https://en.wikipedia.org › wiki › Cyrillic_script_in_Unicode
As of Unicode version 14.0 Cyrillic script is encoded across several blocks, all in the BMP: . Cyrillic: U+0400–U+04FF, 256 characters; Cyrillic Supplement: U+0500–U+052F, 48 characters; Cyrillic Extended-A: U+2DE0–U+2DFF, 32 characters; Cyrillic Extended-B: U+A640–U+A69F, 96 characters; Cyrillic Extended-C: U+1C80–U+1C8F, 9 characters; Phonetic Extensions: U+1D2B, …