aa haihai hayaku natta
aa haihai hayaku natta .
aː WORD_BOUNDARY h a i h a i WORD_BOUNDARY h a j a k ɯ WORD_BOUNDARY n a t t a WORD_BOUNDARY
a a WORD_BOUNDARY h a i h a i WORD_BOUNDARY h a y a k u WORD_BOUNDARY n a t t a WORD_BOUNDARY