aa watashi shiranai naa
aa watashi shiranai naa .
aː WORD_BOUNDARY w a t a ʃ i WORD_BOUNDARY ʃ i r a n a i WORD_BOUNDARY n aː WORD_BOUNDARY
a a WORD_BOUNDARY w a t a s h i WORD_BOUNDARY s h i r a n a i WORD_BOUNDARY n a a WORD_BOUNDARY