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