aa aa konna toko kita
aa aa konna toko kita .
aː WORD_BOUNDARY aː WORD_BOUNDARY k o n n a WORD_BOUNDARY t o k o WORD_BOUNDARY k i t a WORD_BOUNDARY
a a WORD_BOUNDARY a a WORD_BOUNDARY k o n n a WORD_BOUNDARY t o k o WORD_BOUNDARY k i t a WORD_BOUNDARY