affricate consonant approximant consonant austronesian languages click consonant clockwise ejective consonant eskimo-aleut languages fortition fricative consonant ian maddieson implosive consonant international phonetic alphabet lateral consonant liquid consonant manner of articulation na-dene languages nasal consonant new caledonia obstruent pacific ocean pharyngeal consonant phonetics phonology semivowel sibilant consonant sino-tibetan languages sonority hierarchy south america speech stop consonant syllable syllable nucleus trill consonant uvular consonant vocal tract voiced pharyngeal fricative voiced uvular fricative voiceless vowel