Guwa language

Guwa, also spelt Goa, Koa, and other variants, is an extinct and nearly unattested Australian Aboriginal language of Queensland spoken by the Koa people. It was apparently close to Yanda.

Consonants

 * Lateral sounds [l̪, ɭ] may have also been attested.

Vowels
Vowels are a three-vowel system /i, a, u/.