Simplify the following text for a Grade 12 native English-speaking person.
Original: Bilabials or Bilabial consonants are a type of sound in the group of labial consonants that are made with both lips ( bilabial ) and by partially stopping the air coming from the mouth when the sound is pronounced ( consonant ) .
Simplified: In phonetics , a bilabial consonant is a consonant articulated with both lips . The bilabial consonants identified by the International Phonetic Alphabet ( IPA ) are :