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