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