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