vamos a ver el libro ven
vamos a ver el libro ven .
b a m o s WORD_BOUNDARY a WORD_BOUNDARY β e ɾ WORD_BOUNDARY e l WORD_BOUNDARY l i β ɾ o WORD_BOUNDARY β e n WORD_BOUNDARY
v a m o s WORD_BOUNDARY a WORD_BOUNDARY v e r WORD_BOUNDARY e l WORD_BOUNDARY l i b r o WORD_BOUNDARY v e n WORD_BOUNDARY