nani o kangaeteru no ka
nani o kangaeteru no ka ?
n a n i WORD_BOUNDARY o WORD_BOUNDARY k a n g a e t e r ɯ WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY
n a n i WORD_BOUNDARY o WORD_BOUNDARY k a n g a e t e r u WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY