iya iya ya ya iya iya
iya iya ya ya iya iya .
i j a WORD_BOUNDARY  i j a WORD_BOUNDARY j a WORD_BOUNDARY j a WORD_BOUNDARY  i j a WORD_BOUNDARY  i j a WORD_BOUNDARY
i y a WORD_BOUNDARY i y a WORD_BOUNDARY y a WORD_BOUNDARY y a WORD_BOUNDARY i y a WORD_BOUNDARY i y a WORD_BOUNDARY