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