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