quién lo ha roto ésto
quién lo ha roto ésto ?
k j e n WORD_BOUNDARY l o WORD_BOUNDARY a WORD_BOUNDARY r o t o WORD_BOUNDARY e s t o WORD_BOUNDARY
q u i é n WORD_BOUNDARY l o WORD_BOUNDARY h a WORD_BOUNDARY r o t o WORD_BOUNDARY é s t o WORD_BOUNDARY