Cryptoquote

Instructions:   Each letter in the puzzle is substituted for another. Type your guesses into the gray boxes above each letter.
O
'
C
W
G
Y
W
K
R
W
C
W
I
B
Q
M
S
W
M
X
B
P
X
G
B
M
W
U
B
Y
S
W
M
O
R
W
K
R
B
E
O
P
F
R
G
K
.
O
Q
P
L
'
M
B
T
B
L
M
W
U
B
Y
S
W
M
O
W
C
R
B
E
O
P
F
R
G
K
.
-
-
Q
W
T
O
Q
N
P
Y
O
B