Ingessana phonology

Consonants
There are 21 distinct consonant phonemes. The fricative, nasal, lateral and rhotic consonants also distinguish length.

Vowels
There are six distinct vowel phonemes. All six can also occur in sequential (and thus lengthened) form but may change phonetic quality. Stirtz (2012) proposes the following system:

Tone
Gaam is a tonal language. There are three level tones, High, Mid, and Low, which can be combined to form rising and falling tones. A total of nine tone melodies is possible, all of them contrastive.