la la la la la la la la
la la la la la la la la
sing sing sing sing sing sing sing sing
la la la la la la la la .
l æ WORD_BOUNDARY l æ WORD_BOUNDARY l æ WORD_BOUNDARY l æ WORD_BOUNDARY l æ WORD_BOUNDARY l æ WORD_BOUNDARY l æ WORD_BOUNDARY l æ WORD_BOUNDARY
l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY l a WORD_BOUNDARY