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