MUTE or STOP is a letter that cannot be produced without the addition of a
vowel sound it is, by itself, mute; all sound is stopped.
(mutes) can be subdivided by the speech organ used to create the restriction
[lips] p b f
[teeth] t d q
[throat] k g c [Palatals
are also called Gutturals .]
Try pronouncing the letter 'b' without the sound of the letter 'e' or the
letter 'k' without the sound of the letter 'a.'