iya lampu rambu+rambu
iya lampu rambu rambu .
i j a WORD_BOUNDARY l a m p u WORD_BOUNDARY r a m b u WORD_BOUNDARY r a m b u WORD_BOUNDARY
i y a WORD_BOUNDARY l a m p u WORD_BOUNDARY r a m b u WORD_BOUNDARY r a m b u WORD_BOUNDARY . WORD_BOUNDARY