SpeedFilter
Guess the letter and whittle down the list until you find the mystery word
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
Thanks for Radha for all the testing and suggestions, and to Joel for the design suggestions that made it 80% less hideous.