RESOLVED: Understanding Variants 2

Understanding Variants 2 - Deleting non-exisiting variant combinations

If I create a variants table for a given product, and for some of the products a given variant combination doesn't exist, would I just go into the table and delete these variants? Example: three shoe characteristics: Color [black, brown, & white], Finish [satin, glossy], & Size, [36, 37, 38]. There is no change in price for any of these characteristics. In reality, I only have the black and brown shoes in both satin and glossy finishes. In white there is only the satin finish. So is it normal practice to go into the table and just delete the variants relating to white, glossy shoes? Is there a better way to go about displaying this and similar types of product pages?

Thanks

Scott