Tolong jelaskan mengenai Lack of labials dari Konsonan bibir dalam bahasa melayu

While most languages make use of purely labial phonemes, a few generally lack them. Examples are Bahasa Tlingit, Bahasa Eyak (kedua-dua Na-Dené), Bahasa Wichita (Caddoan), and the Iroquoian languages except Cherokee. All of these languages have seen labials introduced under the influence of English.