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