Dolgan vowels include two unique letters not found in Russian: Ö (front rounded vowel, like German schön) and Ÿ (close front rounded ü-vowel, like German über). These vowels are essential to Turkic vowel harmony in Dolgan.
Dolgan maintains the Turkic vowel harmony system, distinguishing front and back vowels throughout a word. The unique vowels Ö and Ÿ fill the front-rounded vowel slots that are absent from standard Russian Cyrillic, making them indispensable to Dolgan phonology.
The Dolgan consonant set includes two unique letters: Ҕ (voiced uvular fricative, a deep-throat gh-sound) and Ҥ (velar nasal ng-sound as in "sing"). Both are shared with the closely related Sakha (Yakut) alphabet.
The uvular sound Ҕ is produced deep in the throat, further back than the standard Russian Г. It is one of the defining phonological features separating Northern Siberian Turkic languages from other Turkic branches. The velar nasal Ҥ appears frequently in Dolgan word-final positions.
The 4 pairs of unique letters in the Dolgan Cyrillic alphabet: Ö/ö (front rounded vowel), Ÿ/ÿ (close front rounded ü-vowel), Ҕ/ҕ (voiced uvular fricative), and Ҥ/ҥ (velar nasal ng-sound).
The letter Ÿ (Y with diaeresis) is particularly rare among Turkic Cyrillic alphabets — it appears in Dolgan and its close relative Sakha, using the diaeresis on Y rather than a modified О or У form. This orthographic convention reflects a distinct Soviet-era standardisation approach for the Sakha-Dolgan branch.
Dolgan uses Arabic numerals (0–9) in modern writing. The native Dolgan number words: нуул (0), биир (1), икки (2), ÿс (3), тÿÿрт (4), биэс (5), алта (6), сэттэ (7), аҕыс (8), тоҕус (9).
Dolgan number words closely mirror those of Sakha (Yakut), confirming the two languages' close relationship. Words like аҕыс (eight) and тоҕус (nine) contain the unique Dolgan letter Ҕ, while ÿс (three) and тÿÿрт (four) demonstrate the unique ü-vowel Ÿ.
A complete view of all 37 Dolgan letters in alphabetical order from А to Я, including the four unique letters Ö, Ÿ, Ҕ, and Ҥ.
The Dolgan Cyrillic alphabet places its unique letters adjacent to their Russian base letters in the ordering: Ҕ after Г, Ҥ after Н, Ö after О, and Ÿ after У. This 37-letter alphabet was standardised during the Soviet era for the Dolgan and Sakha languages of northern Siberia.
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