phonemic labial–velars occur in the majority of languages in west and central africa (for example in the name of laurent gbagbo, former president of ivory coast; they are found in many niger–congo languages as well as in the ubangian, chadic and central sudanic families), and are relatively common in the eastern end of new guinea. in southeast asia, they occur in the adu dialect of nuosu (yi), which aside from its isolated location, is unusual in having a relatively large inventory of labial-velar consonants, including the rare aspirated version: .