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