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