Worksheet B

   Exercise 1              Exercise 2              Exercise 3

   A        C              D        F              G        G
   B        A              E        T              H        S
   C        X              F        E              I        Q
   X        B              W        D              S        H
   Y        Y              T        W              Q        I


   Exercise 4              Exercise 5              Exercise 6

   J        P              V        P              M        Z
   K        N              P        A              W        Y
   L        M              A        V              Y        C
   M        L              X        Y              X        W
   N        K              C        C              C        X
   P        J              Y        X              Z        M


   Exercise 7              Exercise 8              Exercise 9

   P        S              Q        O              E        D
   R        P              O        A              F        P
   S        R              A        T              P        E
   H        I              T        Q              D        F
   I        H              L        L              B        B


   Exercise 10             Exercise 11             Exercise 12

   E         O             R         S             U         P
   A         A             U         L             I         E
   S         E             C         R             E         T
   O         P             S         U             P         I
   P         S             L         C             T         U