U language
The U language or P'uman (), is spoken by 40,000 people in the Yunnan Province of China and possibly Myanmar. It is classified as an Austroasiatic language in the Palaungic branch. In China, U speakers are classified as ethnic Bulang. Locations. U is spoken in Shuangjiang County of Yunnan and other nearby counties. There two main dialects of U in Shuangjiang County: one spoken in Gongnong (公弄, now part of Mengku Town, 勐库镇) and one spoken in Bangbing (邦丙) and Dawen Mangga (大文乡忙嘎); the Dawen dialect is reportedly mutually intelligible with that of Shidian County ("Shuangjiang County Ethnic Gazetteer  1995:160). Avala (autonym: a21 va21 la21") is spoken in Bangliu (邦六), Manghuai Township (芒怀乡), Yun County (云县), Yunnan, China. Phonology. U has four tones, "high", "low", "rising", "falling", which developed from vowel length and the nature of final consonants. Further reading. Gazetteers and other Chinese government sources with lexical data