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