Okay, I've got my squares cut and ready to go. There are 16 sets total. What I did was send two completely different groups of 8, which I've labeled "Set A" and "Set B". There are no overlapping squares between the two groups, so that should help a bit when it comes to eliminating/minimizing duplicates.

(Personally, I like duplicates! LOL!)
I'll get the package in the mail in the next day or two.