They have been attested in Lese, a Mangbutu-Efe language spoken in the Democratic Republic of the Congo and Uganda.
[1][2][3] One labial–uvular stop is attested, [q͡p], and it is present in the Lese language, occurring as an allophone of /q͡ɓ/, which is mostly likely another labial–uvular stop with significant lowering and a strong release.
[1][2] The standard labial–uvular stop is also found in Iha.
[4][5] Symbols to the right in a cell are voiced, to the left are voiceless.
Shaded areas denote articulations judged impossible.