private char[] abecedario = {'a','b','c','d','e','f','g','h','i','j','k','l','m','n','ñ','o','p','q','r'
                                ,'s','t','u','v','w','x','y','z',' ','1','2','3','4','5','6','7','8','9','0'};
    private char[] codigo     = {'0','9','8','7','6','5','4','3','2','1','-','q','w','e','r','t','y','u','i'
                                ,'o','p','a','s','d','f','g','h','j','k','l','ñ','z','x','c','v','b','n','m'};