The voiceless bilabially post-trilled dental stop is a very rare consonantal sound reported to occur in a few spoken languages: the Oro Win and Wariʼ languages in South America and Sangtam in Northeast India.
The symbol in the International Phonetic Alphabet that represents this sound is ⟨t̪ʙ̥⟩, and the equivalent X-SAMPA symbol is t_dB\_0.
Features of the voiceless bilabially post-trilled dental stop: Symbols to the right in a cell are voiced, to the left are voiceless.
Shaded areas denote articulations judged impossible.
Legend: unrounded • rounded