Pulmonic egressive
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In human speech, pulmonic egressive sounds are those in which the air stream is created by the lungs (pulmonic) exhaling and pushing air out (egressive) through the mouth or nose. The majority of sounds in most languages are both pulmonic and egressive. Only the Khoisan languages have large numbers of other sounds.
Five other airstream mechanisms are possible. Glottalic consonants may be either ingressive (implosive consonants) or egressive (ejective consonants). There are also velaric ingressive consonants, commonly known as clicks.
The two other theoretically possible combinations, pulmonic ingressive and velaric egressive, however, are only known from the apparently constructed ritual language Damin.Template:Ling-stub