Rangi phonology

Rangi has a seven-vowel system, with a single low vowel and phonemically contrasting front-back pairs at three heights. The vowels are [a], [ɛ], [i], [ɪ], [ɔ], [u] and [ʊ]. Rangi has phonemic vowel length alternation with a distinction attested between long and short vowels. Rangi also exhibits asymmetric vowel height harmony.