Buhai

Buhai, also known as Puhai, or Buohai, belongs to the Buhoid branch of the Tai-Kaidai family. Buhai is mainly spoken on the Tibet Autonomous Region by about 1,730,000 people (899,000 on east, 874,000 on west). Buhai is closely related to the Zhuang languages, and is heavily influenced by Chinese dialects, including Wenzhounese.

Buhai was written with a first version of the Sawndip script, but scientists now made the Latin alphabet, replacing the obsolete Sawndip script.

Tone
Tone letters in Buhai are:
 * high /˦/: -p
 * low /˨/: -t
 * mid /˧/: -k
 * high-rising /˦˥/: -j
 * high-falling /˦˧/: -q
 * low-rising /˨˧/: -x
 * low-falling /˨˩/: -l

Phonotactics
The syllable structure of Buhai is (C) + V/D/R/DR + (T) + (N/P), where C stands for a consonant, V stands for a vowel, D stands for a diphthong, T stands for tone, R stands for a vowel with erhua, RD is a combination of R and D, N stands for /n/ or /ŋ/ and P stands for a plosive /p, t, k/.