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