wakannai kedo dekichatta
wakannai kedo dekichatta .
w a k a n n a i WORD_BOUNDARY k e d o WORD_BOUNDARY d e k i t̠ʃ a t t a WORD_BOUNDARY
w a k a n n a i WORD_BOUNDARY k e d o WORD_BOUNDARY d e k i c h a t t a WORD_BOUNDARY