How to define a specific variable for each corner

Hi,

I would like to define a variable, X, which is based for each corner. E.g., 

FF, X = 1

FS, X = 2

SF, X = 3 

SS, X= 4

etc.

One possible way is expand all corners in the setup and manually add such a variable. However, in case the number of corner is large, such a solution is not convenient. 

I am wondering, if virtuoso can do this job in a simplified way?

BR