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

Other sounds:

labio-velar voiced central approximant /w/
several tones
nasalized and long counterparts of all vowels
labio-velar consonants /kp/ and /gb/
voiceless trilled /r/
labialized velar nasal
velar nasal and postalveolar affricate sounds occur in rare cases
nasalized counterparts of some consonants
/n/ is postalveolar

(from: Dunn, Ernest F. 1968. An Introduction to Bini. East Lansing: African Studies Center, Michigan State University.
Melzian, Hans. 1937. A Concise Dictionary of the Bini Language of Southern Nigeria. London: Kegan Paul, Trench, Trubner & Co.)