nani o funfun itteru no
nani o funfun itteru no ?
n a n i WORD_BOUNDARY o WORD_BOUNDARY ɸ ɯ n ɸ ɯ n WORD_BOUNDARY i t t e r ɯ WORD_BOUNDARY n o WORD_BOUNDARY
n a n i WORD_BOUNDARY o WORD_BOUNDARY f u n f u n WORD_BOUNDARY i t t e r u WORD_BOUNDARY n o WORD_BOUNDARY