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