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