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