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