see References below.

The consonants

p t ch [tʃ] k ʼ [ʔ]
b d (j) [tʃ] g
mb nd ng [ŋg]
s h
m n ny [ɲ] ŋ
l y [j] w

The short vowels

i   u
e o
ɛ ə ɔ

The long vowels

ii     uu
ee   oo (øø)
ɛɛ əə   ɔɔ
aa (αα)  


Ekanjume, Beatrice. 1998. A sketch outline of tones in Akoose. MA thesis, University of Yaounde 1.

Ekanjume, Beatrice. 2005. The phrasal phonology of tones in Akɔ́ɔ́sɛ: Evidence from naturally occurring code-switching data.  PhD thesis, University of Yaounde 1.

Ekanjume, Beatrice. 2008. The phonological phrase as a prosodic domain in Akóóse. Journal of West African Languages. 35:57-76.

Hedinger, Robert and Sylvia Hedinger. 1977. Phonology of Akɔɔse (Bakossi). Yaoundé: SIL. 88 pages.

Hedinger, Robert, Sylvia Hedinger and G.E.R Metuge. 1992/2009. Détel, délâŋ-ʼɛ Akɔ́ɔ̄sē. Letʼs Read and Write Bakossi.  Yaoundé: SIL.

Hedinger, Robert. 1985b. Some issues in the establishment of an orthography for Akɔɔse. ms. 7 pages.

Hedinger, Robert. 2011. Akoose orthography guide. Yaoundé: SIL. 88 pages.

Ngome, Manasse. nd. Akose orthography. Ms.

Palle, Angela Diengu. 2000. The lexical phonology of Akoose nouns. MA thesis, University of  Buea.