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