Two or more consonants that occur together within the same syllable; modern Mandarin Chinese does not contain these

A sound that is produced with less friction than a typical consonant but with a more closed mouth than a vowel; also known as a [[半元音|半元音|ban4 yuan2 yin1]]

a consonant sound produced with vibration of the vocal cords

A consonant produced without vibrating the vocal cords.

(linguistics) a consonant sound produced with the tongue near or touching the ridge behind the upper teeth