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