The letters p and b represent bilabial consonants, respectively voiceless and voiced.
P and b are represented in written and spoken English like this:
p: pizza, plate, option, simple, camp, shop;
b: bag, big, maybe, debt, verb, lamb.
The consonants p and b are bilabial sounds. To pronounce them, you need to move your upper and lower lips so the air will be restricted by them.
They differentiate because:
- p is voiceless, the vocal cords do not vibrate during the articulation of the consonant;
- b is voiced, vocal cords vibrate during the articulation of the consonant.
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