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