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