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