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