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