2 • 3 = (a)  

2 • 4 = (a)  

2 • 5 = (a)  

2 • 6 = (a)  

2 • 7 = (a)  

2 • 8 = (a)  

2 • 9 = (a)  

2 • 10 = (a)  

2 • 11 = (a)  

2 • 12 = (a)  

3 • 2 = (a)  

3 • 3 = (a)  

3 • 4 = (a)  

3 • 5 = (a)  

3 • 6 = (a)  

3 • 7 = (a)  

3 • 8 = (a)  

3 • 9 = (a)  

3 • 10 = (a)  

3 • 11 = (a)  

3 • 12 = (a)  

4 • 2 = (a)  

4 • 3 = (a)  

4 • 4 = (a)  

4 • 5 = (a)  

4 • 6 = (a)  

4 • 7 = (a)  

4 • 8 = (a)  

4 • 9 = (a)  

4 • 10 = (a)  

4 • 11 = (a)  

4 • 12 = (a)  

5 • 2 = (a)  

5 • 3 = (a)  

5 • 4 = (a)  

5 • 5 = (a)  

5 • 6 = (a)  

5 • 7 = (a)  

5 • 8 = (a)  

5 • 9 = (a)  

5 • 10 = (a)  

5 • 11 = (a)  

5 • 12 = (a)  

6 • 2 = (a)  

6 • 3 = (a)  

6 • 4 = (a)  

6 • 5 = (a)  

6 • 6 = (a)  

6 • 7 = (a)  

6 • 8 = (a)  

6 • 9 = (a)  

6 • 10 = (a)  

6 • 11 = (a)  

6 • 12 = (a)  

7 • 2 = (a)  

7 • 3 = (a)  

7 • 4 = (a)  

7 • 5 = (a)  

7 • 6 = (a)  

7 • 7 = (a)  

7 • 8 = (a)  

7 • 9 = (a)  

7 • 10 = (a)  

7 • 11 = (a)  

7 • 12 = (a)  

8 • 2 = (a)  

8 • 3 = (a)  

8 • 4 = (a)  

8 • 5 = (a)  

8 • 6 = (a)  

8 • 7 = (a)  

8 • 8 = (a)  

8 • 9 = (a)  

8 • 10 = (a)  

8 • 11 = (a)  

8 • 12 = (a)  

9 • 2 = (a)  

9 • 3 = (a)  

9 • 4 = (a)  

9 • 5 = (a)  

9 • 6 = (a)  

9 • 7 = (a)  

9 • 8 = (a)  

9 • 9 = (a)  

9 • 10 = (a)  

9 • 11 = (a)  

9 • 12 = (a)  

10 • 2 = (a)  

10 • 3 = (a)  

10 • 4 = (a)  

10 • 5 = (a)  

10 • 6 = (a)  

10 • 7 = (a)  

10 • 8 = (a)  

10 • 9 = (a)  

10 • 10 = (a)  

10 • 11 = (a)  

10 • 12 = (a)  

11 • 2 = (a)  

11 • 3 = (a)  

11 • 4 = (a)  

11 • 5 = (a)  

11 • 6 = (a)  

11 • 7 = (a)  

11 • 8 = (a)  

11 • 9 = (a)  

11 • 10 = (a)  

11 • 11 = (a)  

11 • 12 = (a)  

12 • 2 = (a)  

12 • 3 = (a)  

12 • 4 = (a)  

12 • 5 = (a)  

12 • 6 = (a)  

12 • 7 = (a)  

12 • 8 = (a)  

12 • 9 = (a)  

12 • 10 = (a)  

12 • 11 = (a)  

12 • 12 = (a)  

2 • 50 = (a)  

4 • 25 = (a)  

5 • 20 = (a)  

13 • 13 = (a)  

14 • 14 = (a)  

15 • 15 = (a)  

16 • 16 = (a)  

17 • 17 = (a)  

18 • 18 = (a)  

19 • 19 = (a)  

20 • 20 = (a)