The 12 vowel letters of the Tuvan Cyrillic alphabet — А, Е, Ё, И, О, Ӧ, У, Ү, Ы, Э, Ю, Я. Among these, Ӧ and Ү are unique to Tuvan Cyrillic (not in Russian), encoding the front-rounded vowels ö and ü characteristic of Turkic languages.
Tuvan vowel harmony divides vocabulary into front-vowel and back-vowel classes. Front vowels (И, Ё, Ӧ, Ү, Э, Ю, Я) and back vowels (А, О, У, Ы) do not mix within native Tuvan words — a defining feature of the Turkic language family.
The 22 consonant letters of the Tuvan Cyrillic alphabet — Б, В, Г, Д, Ж, З, Й, К, Л, М, Н, Ң, П, Р, С, Т, Ф, Х, Ц, Ч, Ш, Щ. Among these, Ң (eng) is unique to Tuvan Cyrillic, encoding the velar nasal ng-sound inherited from ancient Turkic.
Tuvan consonants include the kh-sound (Х), the ch-sound (Ч), the zh-sound (Ж), and the distinctive ng-sound (Ң). Many of these represent ancient Turkic sounds preserved in Siberian Turkic languages that have been lost or modified in Oghuz Turkic languages like Turkish.
The 5 special characters of Tuvan that extend the Russian Cyrillic base: the 3 uniquely Tuvan letters (Ң, Ӧ, Ү) not found in Russian, plus the hard sign (Ъ) and soft sign (Ь) shared with Russian.
The three uniquely Tuvan letters — Ң (velar nasal), Ӧ (front rounded ö), and Ү (front rounded ü) — encode phonological features fundamental to Turkic languages. These additions transform the 33-letter Russian Cyrillic into the 36-letter Tuvan Cyrillic alphabet.
Tuvan uses Arabic numerals (0–9) in modern writing. The native Tuvan number words are: нөл (0), бир (1), ийи (2), үш (3), дөрт (4), беш (5), алды (6), чеди (7), сес (8), тос (9).
Tuvan number words are closely related to those in Kazakh, Kyrgyz, and other Turkic languages, reflecting shared ancestry from Old Turkic. The distinctive Ү vowel appears in үш (three), and the Ӧ vowel in дөрт (four) — demonstrating how Tuvan's unique vowel letters appear in everyday counting.
A complete view of all 36 Tuvan letters — 12 vowels, 22 consonants, and 2 modifier signs — arranged in alphabetical order from А to Я for quick reference.
The Tuvan Cyrillic alphabet follows Russian alphabetical order, with the three unique Tuvan letters (Ң after Н, Ӧ after О, Ү after У) inserted at their phonologically appropriate positions. This 36-letter script was adopted in 1943 and remains the official writing system of the Tuva Republic today.
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