unas patas a la casa
unas patas a la casa .
u n a s WORD_BOUNDARY p a t a s WORD_BOUNDARY a WORD_BOUNDARY l a WORD_BOUNDARY k a s a WORD_BOUNDARY
u n a s WORD_BOUNDARY p a t a s WORD_BOUNDARY a WORD_BOUNDARY l a WORD_BOUNDARY c a s a WORD_BOUNDARY . WORD_BOUNDARY