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