bubububuu tte itta no
bubububuu tte itta no ?
b ɯ b ɯ b ɯ b ɯː WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY
b u b u b u b u u WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY