corner variables in adexl

If I have to add two variables in corner setup of ADEXL, is there a way to specify them as connected like ordered set. For e.g if var1 can take {10 20} and  var2 {0 var1} -- so the net runs {var1 var2} will be {10 0} {20 0} {10 10} {20 20} -- sometimes more complicated sets are required where we need to explicity specify the set of {var1 var2} as some combinations are invalid and should be pruned.

Thanks

Bhavin

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