Component assignment

Hi Experts,

Can anybody please tell me,

I have 4 component in BOM say A,B,C & D.

In Routing there are 5 operations.

My requirement is as follow

1. For 0010 operation I need component A,B & C

2. For 0020 operation I need component A & D

3. For 0030 operation I need component B & C

4. For 0040 operation I need component A,B & D

5. For 0050 operation I need component A,C & D

Please tell me how I can assign these component to that operation.

Raja