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