roja ésa es roja sí
roja ésa es roja sí .
r o x a WORD_BOUNDARY e s a WORD_BOUNDARY e s WORD_BOUNDARY r o x a WORD_BOUNDARY s i WORD_BOUNDARY
r o j a WORD_BOUNDARY é s a WORD_BOUNDARY e s WORD_BOUNDARY r o j a WORD_BOUNDARY s í WORD_BOUNDARY