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