Voiceless bilabially post-trilled dental stop

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.

Features
Features of the voiceless bilabially post-trilled dental stop:


 * It has two places of articulation:
 * The stop is dental, which means it is articulated with either the tip or the blade of the tongue at the upper teeth, termed respectively apical and laminal.
 * The trill is bilabial, which means it is articulated with both lips.