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