harus pelan+pelan di
harus pelan pelan di .
h a r u s WORD_BOUNDARY p ə l a n WORD_BOUNDARY p ə l a n WORD_BOUNDARY d i WORD_BOUNDARY
h a r u s WORD_BOUNDARY p e l a n WORD_BOUNDARY p e l a n WORD_BOUNDARY d i WORD_BOUNDARY . WORD_BOUNDARY