Like the Latin alphabet, it is derived from the Greek alphabet, which was originally derived from the Phoenician alphabet.
| Letter | Approximate Sounds | Notes |
| А, а | a | |
| Б, б | b | |
| В, в | v | |
| Г, г | g, h | |
| Д, д | d | |
| Е, е | e, ye | |
| Ж, ж | zh | |
| З, з | z | |
| И, и | i, y | |
| Й, й | i, y | |
| К, к | k | |
| Л, л | l | |
| М, м | m | |
| Н, н | n | |
| О, о | o | |
| П, п | p | |
| Р, р | r | |
| С, с | s | |
| Т, т | t | |
| У, у | u | |
| Ф, ф | f | |
| Х, х | kh, h | |
| Ц, ц | ts | |
| Ч, ч | ch | |
| Ш, ш | sh | |
| Щ, щ | shch, sht | |
| Ъ, ъ | palatalization, a | hard sign |
| Ы, ы | y | |
| Ь, ь | palatalization | soft sign |
| Э, э | e | |
| Ю, ю | yu | |
| Я, я | ya | |
| Language Specific Letters | ||
| Ё, ё | yo | Russian |
| Ґ, ґ | g | Ukrainian |
| Є, є | ye | Ukrainian |
| І, і | i | Ukrainian |
| Ї, ї | yi | Ukrainian |
| Ђ, ђ | ky | Serbian |
| Ј, ј | y | Serbian/Macedonian |
| Љ, љ | ly | Serbian/Macedonian |
| Њ, њ | ny | Serbian/Macedonian |
| Ћ, ћ | ty | Serbian |
| Џ, џ | dzh | Serbian/Macedonian |
| Ѓ, ѓ | gy | Macedonian |
| Ѕ, ѕ | dz | Macedonian |
| Ќ, ќ | ky | Macedonian |
| Ә, ә | a | Kazakh |
| Ғ, ғ | gh | Kazakh |
| Қ, қ | q | Kazakh |
| Ң, ң | ng | Kazakh |
| Ө, ө | o | Kazakh |
| Ұ, ұ | u | Kazakh |
| Ү, ү | u | Kazakh |
| Һ, һ | h | Kazakh |