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