nanka nioi ga shiteru
nanka nioi ga shiteru ?
n a n k a WORD_BOUNDARY n i o i WORD_BOUNDARY g a WORD_BOUNDARY ʃ i t e r ɯ WORD_BOUNDARY
n a n k a WORD_BOUNDARY n i o i WORD_BOUNDARY g a WORD_BOUNDARY s h i t e r u WORD_BOUNDARY