buubububuu to yuu no
buubububuu to yuu no ?
b ɯː b ɯ b ɯ b ɯː WORD_BOUNDARY t o WORD_BOUNDARY j ɯː WORD_BOUNDARY n o WORD_BOUNDARY
b u u b u b u b u u WORD_BOUNDARY t o WORD_BOUNDARY y u u WORD_BOUNDARY n o WORD_BOUNDARY