The 5 vowels of Asi — A, E, I, O, U — follow standard Philippine vowel phonology. Each vowel has a consistent pronunciation and can appear in all positions in a word.
The Asi vowel system is similar to neighboring Philippine languages like Romblomanon and Cebuano. Stress placement is an important feature of Asi vowels, affecting both pronunciation and meaning.
Asi consonants include the Ng digraph for the velar nasal, a standard feature of Philippine orthography. The consonant inventory follows typical Central Philippine patterns.
The glottal stop is phonemically significant in Asi but is not consistently represented in standard orthography. Word-final glottal stops occur frequently and affect the meaning of many Asi words.
Asi uses the standard Hindu-Arabic numerals (0–9), shared with Filipino and other Philippine languages.
Asi counting words follow Central Philippine conventions, related to the Bisayan numerical tradition.
A complete view of all 20 Asi letters — 5 vowels and 15 consonants including the Ng digraph — for quick reference.
The Asi alphabet follows Central Philippine orthographic conventions, using K for the velar stop and Ng as a single letter. Asi does not use F, C, Q, V, or X in its standard orthography.
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