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