 "Wāʾo" is used to render the vowels "ū", "o", "u" and "au" ([uː], [oː], [ʊ] and [ɔː] respectively), and it is also used to render the labiodental approximant, [ʋ].Only when preceded by the consonant "k͟hē ("), can "wāʾo" render the "u" ([ʊ]) sound (such as in , ""kh""ud"" - "myself"), or not pronounced at all (such as in "", ""kh""aab"" - "dream").