koko tobidete iru mon
koko tobidete iru mon .
k o k o WORD_BOUNDARY t o b i d e t e WORD_BOUNDARY i r ɯ WORD_BOUNDARY m o n WORD_BOUNDARY
k o k o WORD_BOUNDARY t o b i d e t e WORD_BOUNDARY i r u WORD_BOUNDARY m o n WORD_BOUNDARY