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