koko petchanko ni natchatta
koko petchanko ni natchatta .
k o k o WORD_BOUNDARY p e t t̠ʃ a n k o WORD_BOUNDARY n i WORD_BOUNDARY n a t t̠ʃ a t t a WORD_BOUNDARY
k o k o WORD_BOUNDARY p e t c h a n k o WORD_BOUNDARY n i WORD_BOUNDARY n a t c h a t t a WORD_BOUNDARY