Additionally, the following diphthongs can be found: /iɤ/, /ɯɤ/, /uɤ/.
Kháng also has eight tones in total, six of which appear on "live syllables" - open syllables or syllables ending with sonorants, and the other two are limited to "dead syllables" - syllables ending in the oral stops /p t k/.[6] Each tone also carries with it a specific register affecting the phonation of the syllable.
The live syllable tones are as follows:
[ ˥ ] - high, level, modal voice
[ ˩ˀ] - low, level, ending in a glottal stop
[ ˧˥ˀ] - high-rising, ending in a glottal stop
[ ˧˩ˀ] - low-falling, ending in a glottal stop
[ ˧˨˧ ] - mid-dipping, modal voice
[ ˨˩˨ ] - low-dipping, creaky voice
The dead syllable tones are as follows:
[ ˦˧ ] - high-falling
[ ˩˨ ] - low-rising
References
^Kháng at Ethnologue (18th ed., 2015) (subscription required) Khao at Ethnologue (18th ed., 2015) (subscription required)
Mikami, Naomitsu. 2003. "A Khang phonology and wordlist." Reports on Minority Languages in Mainland Southeast Asia, ed. by Ueda Hiromi, 1–42. Endangered Languages of the Pacific Rim. Osaka: Faculty of Informatics, Osaka Gakuin University.
Schliesinger, Joachim. 1998. Hill tribes of Vietnam. Vol. Vol. 2. 2 vols. Bangkok: White Lotus Co. Ltd.
Tạ, Quang Tùng. 2023. Ngữ âm tiếng Kháng và phương án chữ viết cho người Kháng ở Việt Nam. Thái Nguyên: Nhà xuất bản đại học Thái Nguyên.
Thông Tấn Xã Việt Nam [Vietnam News Agency]. 2006. Việt Nam Hình Ảnh Cộng Dồng 54 Dân Tộc [Vietnam Image of the Community of 54 Ethnic Groups]. Hanoi: The Vna Publishing House.