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