[ num ] sp capword sp capword . sp capword sp capword sp othword sp capword sp capword sp / / sp upword sp num : sp capword sp othword sp othword capword sp othword sp capword sp capword sp capword sp year . sp – – sp capword , sp upword sp : sp upword , sp year . sp – – sp num - num capword . sp – – sp caplet . sp num .