A code/puzzle with a CASH PRIZE

Alright, this one isn't normal. First person to decode this wins $10 and a shout out. I'm serious.
Okay. Here's the puzzle:

Step 1: 
Hint:18;21;12;5;0;15;21;20;0;14;21;13;2;5;18;19;0;20;8;1;20;0;4;5;19;3;18;9;2;5;0;20;8;5;9;18;0;12;5;20;20;5;18
(for example 13 = M, so cross out M)

 A - 9,14
  B - 8
   C - 3
    D - 4
     E - 3
      F - 5
       G - 1
        H - 8
         I - 3,7,12
          J - 10
           K - 11
            L - 1
             M - 13
              N - 2
               O - 0
                P - 9,16
                 Q - 1,7
                  R - 18
                   S - 6,10,13
                    T - 8,11
                     U - 21
                      V - 22
                       W - 15
                        X - [ ]
                         Y - 4
                          Z - 2

Step 2: --- .-. -.. . .-.
Hint: vjg hktuv ngvvgt ku gkvjgt I, N, qt S...

Step 3: .-. . --- .-. -.. . .-.

Final step: Add spaces and punctuation, contact me to tell me you solved it. If you comment the answer I'll delete it for everyone else's sake Good luck.






I'm curious to see how people approach this problem. Working together is absolutely allowed. I know $10 isn't a lot of money but I'm a broke college student. Have fun. I'll get back to normal blog posts soon-ish. ~The Noah