aa aa doko ga itai no
aa aa doko ga itai no ?
aː WORD_BOUNDARY aː WORD_BOUNDARY d o k o WORD_BOUNDARY g a WORD_BOUNDARY i t a i WORD_BOUNDARY n o WORD_BOUNDARY
a a WORD_BOUNDARY a a WORD_BOUNDARY d o k o WORD_BOUNDARY g a WORD_BOUNDARY i t a i WORD_BOUNDARY n o WORD_BOUNDARY