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