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