hai byuun buumbumbun bururun buun
hai byuun buumbumbun bururun buun .
h a i WORD_BOUNDARY bʲ ɯː n WORD_BOUNDARY b ɯː m b ɯ m b ɯ n WORD_BOUNDARY b ɯ r ɯ r ɯ n WORD_BOUNDARY b ɯː n WORD_BOUNDARY
h a i WORD_BOUNDARY b y u u n WORD_BOUNDARY b u u m b u m b u n WORD_BOUNDARY b u r u r u n WORD_BOUNDARY b u u n WORD_BOUNDARY