buscame un papel blanco
buscame un papel blanco .
β u s k a m e̞ WORD_BOUNDARY u n WORD_BOUNDARY p a p e̞ l WORD_BOUNDARY β l a n k o̞ WORD_BOUNDARY
b u s c a m e WORD_BOUNDARY u n WORD_BOUNDARY p a p e l WORD_BOUNDARY b l a n c o WORD_BOUNDARY . WORD_BOUNDARY