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