koko atta koko atta koko atta
koko atta koko atta koko atta .
k o k o WORD_BOUNDARY a t t a WORD_BOUNDARY k o k o WORD_BOUNDARY a t t a WORD_BOUNDARY k o k o WORD_BOUNDARY a t t a WORD_BOUNDARY
k o k o WORD_BOUNDARY a t t a WORD_BOUNDARY k o k o WORD_BOUNDARY a t t a WORD_BOUNDARY k o k o WORD_BOUNDARY a t t a WORD_BOUNDARY