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