If you are still stuck, jump back to Hard Advanced Full Answer.

Hard Advanced Level 1
F
G
S

Hard Advanced Level 2
G
O

Hard Advanced Level 3
P
C
R

Hard Advanced Level 4
C
H
C

Hard Advanced Level 5
S
O
A

Hard Advanced Level 6
S
K
N

Hard Advanced Level 7
M
A
S

Hard Advanced Level 8
F
T
G

Hard Advanced Level 9
D
A

Hard Advanced Level 10
S
P
D
B

Hard Advanced Level 11
T
B
C

Hard Advanced Level 12
S
R
B

Hard Advanced Level 13
H
L
S

Hard Advanced Level 14
B
C
D

Hard Advanced Level 15
P
N

Hard Advanced Level 16
S
H
S
B

Hard Advanced Level 17
D
C
L

Hard Advanced Level 18
M
C
Y

Hard Advanced Level 19
T
T
A

Hard Advanced Level 20
S
M
A