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