hai buun bumbuubu u
hai buun bumbuubu u .
h a i WORD_BOUNDARY b ɯː n WORD_BOUNDARY b ɯ m b ɯː b ɯ WORD_BOUNDARY ɯ WORD_BOUNDARY
h a i WORD_BOUNDARY b u u n WORD_BOUNDARY b u m b u u b u WORD_BOUNDARY u WORD_BOUNDARY