datte n kowashichatta n da kara
datte n kowashichatta n da kara .
d a t t e WORD_BOUNDARY n WORD_BOUNDARY k o w a ʃ i t̠ʃ a t t a WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY k a r a WORD_BOUNDARY
d a t t e WORD_BOUNDARY n WORD_BOUNDARY k o w a s h i c h a t t a WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY k a r a WORD_BOUNDARY