bubububu tte yutta kara ne
bubububu tte yutta kara ne .
b ɯ b ɯ b ɯ b ɯ WORD_BOUNDARY t t e WORD_BOUNDARY j ɯ t t a WORD_BOUNDARY k a r a WORD_BOUNDARY n e WORD_BOUNDARY
b u b u b u b u WORD_BOUNDARY t t e WORD_BOUNDARY y u t t a WORD_BOUNDARY k a r a WORD_BOUNDARY n e WORD_BOUNDARY