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