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