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