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