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