With Aces high, there are 48.
8 cards, 4x7's and 4x8's 12 if you count the 4xAce's as 1
Four; the Jack, Queen, King, and Ace of Diamonds.
Very low (less than 0.00000000001%)
4 suites * (13 cards in a suite - 3 face cards per suite) = 40 cards / possibilities