Cryptoquote

Instructions:   Each letter in the puzzle is substituted for another. Type your guesses into the gray boxes above each letter.
Y
O
A
A
R
X
P
Y
F
C
P
S
Q
S
A
X
P
F
X
U
C
B
U
Q
N
Q
B
H
U
W
S
A
D
C
B
U
A
I
M
B
M
W
H
N
P
M
F
P
.
-
-
V
S
N
F
P
H
P
P