Afãba

Afãba is a divergent language variety in the Nambāno dialect cluster.

Vowels
Afãba features nine phonemic vowel qualities, each of which can be nasalised.

Vowel harmony
Afãba exhibits a progressive assimilation rule in which all vowels in a word must match the closeness of the vowel in the initial syllable, resulting in a system of vowel harmony. This manifests as three different inflectional classes of nouns, exemplified in the table below.