ato wa marui no ka
ato wa marui no ka .
a t o WORD_BOUNDARY w a WORD_BOUNDARY m a r ɯ i WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY
a t o WORD_BOUNDARY w a WORD_BOUNDARY m a r u i WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY