[ num ] sp capword sp upword . sp caplet sp othword sp othword sp othword sp othword - othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword sp othword sp othword . sp capword sp othword sp capword sp capword . sp year sp capword - capword ; ( num ) : num - num . sp capword sp othword : othword : / / othword . othword . othword . othword / othword / othword / othword / num .