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