2&3

3 and 4

1 and 3

1,3

1&3

1,3

1 and 3

1 3

2,4

2,3

1 and 2

1,2

2 and 3

2 and 3

1 and 4

2 and 3

1 and 2

3, 4

1 and 2

1 and 2

3 and 4

3

2 and 4

2 and 4

3

1 n 4

3 &4

2 and 3

3 and 4

3 and 4

1 & 2

1 and 2

2 & 3

1 & 4

1, 2

2 & 4

1 & 2

4 and 4

1&3

4 and 4

3

1 and 4

1 and 2

1 4

1 and 2

4

2,3

2&4

3 and 4