shita ato wa oshieru desho
shita ato wa oshieru desho ?
ʃ i t a WORD_BOUNDARY a t o WORD_BOUNDARY w a WORD_BOUNDARY o ʃ i e r ɯ WORD_BOUNDARY d e ʃ o WORD_BOUNDARY
s h i t a WORD_BOUNDARY a t o WORD_BOUNDARY w a WORD_BOUNDARY o s h i e r u WORD_BOUNDARY d e s h o WORD_BOUNDARY