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