these are the sounds found in most native Fang dialects:
there are also sounds not on the chart

Other sounds:
a labio-velar central approximant [w]
a semi-vowel close to /y/
velar nasal can be palatalized

(from: Galley, Samuel. 1964. Dictionnaire Fang-Francais et Francais-Fang. Neuchatel: Edition Henri Messeiller.
Kelly, John. 1974. Phonology and African Linguistics in African Language Studies, vol.15. London: University of London.)