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