boku nanka tte iwanakatta
boku nanka tte iwanakatta ?
b o k ɯ WORD_BOUNDARY n a n k a WORD_BOUNDARY t t e WORD_BOUNDARY i w a n a k a t t a WORD_BOUNDARY
b o k u WORD_BOUNDARY n a n k a WORD_BOUNDARY t t e WORD_BOUNDARY i w a n a k a t t a WORD_BOUNDARY