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