is seemingly randomly dispersed among the remaining tones. Syllables Southwestern Mandarin dialects do not possess the retroflex consonants of Standard Mandarin but share most other Mandarin phonological features. Most dialects have lost the distinction between the nasal consonant and the lateral consonant and the nasal finals and . For example, the sounds "la" and "na" are generally indistinguishable, and the same is true for the sounds "fen" and "feng". Some varieties also lack a distinction between the labiodental and the glottal . Subdivisions Southwestern Mandarin was classified into twelve dialect groups in the Language Atlas of China: Cheng–Yu 成渝: Chengdu and Chongqing Dianxi 滇西 (western Yunnan): Yao–Li 姚里 and Bao–Lu 保潞 clusters Qianbei 黔北 (northern Guizhou) Kun–Gui 昆貴: Kunming and Guiyang Guan–Chi 灌赤 (central Sichuan from Guan County to the Chishui River and part of northern Yunnan): Minjiang 岷江, Ren–Fu 仁富, Ya–Mian 雅棉, and Li–Chuan 丽川 clusters Ebei 鄂北 (northern Hubei) Wu–Tian 武天: Wuhan and Tianmen (Hubei) Cen–Jiang 岑江 (eastern Guizhou) Qiannan 黔南 (southern Guizhou) Xiangnan 湘南 (southern Hunan): Yongzhou and Chenzhou Gui–Liu 桂柳 (northern Guangxi): Guilin and Liuzhou Chang–He 常鹤: Changde and Zhangjiajie (northwestern Hunan) and Hefeng County (southwestern Hubei) See also Sichuanese dialects References Sichuanese Mandarin Chinese Languages of Thailand Languages of Vietnam Languages of Myanmar Languages of Laos