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