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