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