tapi warna warna+warni
tapi warna warna warni .
t a p i WORD_BOUNDARY w a r n a WORD_BOUNDARY w a r n a WORD_BOUNDARY w a r n i WORD_BOUNDARY
t a p i WORD_BOUNDARY w a r n a WORD_BOUNDARY w a r n a WORD_BOUNDARY w a r n i WORD_BOUNDARY . WORD_BOUNDARY