Sheko language
Sheko is an Omotic language of the Afro-Asiatic language family spoken in the area between Tepi and Mizan Teferi in western Ethiopia, in the Sheko district in the Bench Maji Zone. The 2007 census lists 38,911 speakers; the 1998 census listed 23,785 speakers, with 13,611 identified as monolinguals.
Sheko, together with the Dizi and Nayi languages, is part of a cluster of languages variously called "Maji" or "Dizoid".
The language is notable for its retroflex consonants, a striking feature shared with closely related Dizi and nearby Bench.
Phonology
Apart from the above-mentioned retroflex consonants, the phonology of Sheko is characterized by a total 28 consonant phonemes, five long vowels and six short vowels, plus four phonemic tone levels.Consonants
Hellenthal lists the following consonant phonemes of Sheko:Unlike other Dizoid languages, Sheko has no contrast between and. Consonants are rarely geminated, and there is a syllabic nasal.