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