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