black este es black
black este es black .
β l a k k WORD_BOUNDARY e̞ s t e̞ WORD_BOUNDARY e̞ s WORD_BOUNDARY β l a k k WORD_BOUNDARY
b l a c k WORD_BOUNDARY e s t e WORD_BOUNDARY e s WORD_BOUNDARY b l a c k WORD_BOUNDARY . WORD_BOUNDARY