Here are a couple of tests on making the best Seven-Card Stud hand.

  Down Cards     Up Cards  
       

Here you have four Kings: K-K-K-K-A. In Seven-Card Stud, unlike Omaha, you are allowed to use any number of your down cards.

  Down Cards     Up Cards  
       

This time you have made an Ace-high flush using the Nine of spades from your down cards together with the four spades on board: A-9-8-6-5.