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