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