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