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