la vas a abrir
la i a abri
pro:obj v prepart inf
la vas a abrir .
l a WORD_BOUNDARY β a s WORD_BOUNDARY a WORD_BOUNDARY a β ɾ i ɾ WORD_BOUNDARY
l a WORD_BOUNDARY v a s WORD_BOUNDARY a WORD_BOUNDARY a b r i r WORD_BOUNDARY . WORD_BOUNDARY