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