e come fa quando bussa
e come fa quando bussa ?
e WORD_BOUNDARY k o m e WORD_BOUNDARY f a WORD_BOUNDARY k w a n d o WORD_BOUNDARY b u ss a WORD_BOUNDARY
e WORD_BOUNDARY c o m e WORD_BOUNDARY f a WORD_BOUNDARY q u a n d o WORD_BOUNDARY b u s s a WORD_BOUNDARY