[ capword ] sp capword sp caplet sp ( year ) sp capword sp othword sp othword sp othword : sp caplet sp othword sp othword sp othword sp othword othword - othword sp othword sp othword sp smallet . sp othword sp othword sp othword sp smallet . sp othword , sp othword - othword sp othword , sp othword sp year , num sp othword , sp othword : sp num - year - num - num - num . sp capword sp capword sp othword sp capword sp capword sp num : num – num .