First main word of the title contains the challenge letter. For the letters Q, X, and Z, the word starting with the challenge letter can be anywhere in the title.
A-
B-
C-
D-
E-
F-
G-
H-
I-
J-
K-
L-
M-
N-
O-
P-
Q*-
R-
S-
T-
U-
V-
W-
X*-
Y-
Z*-