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