PARRETT
RIBBLE
MEDWAY
THAMES
MERSEY
STOUR
TYNE
G
I
Q
X
R
F
T
Y
P
P
T
S
T
O
U
R
A
H
F
M
A
U
H
Y
W
U
I
X
U
E
Y
R
U
E
N
O
I
L
I
R
P
E
R
H
L
E
I
E
N
D
H
O
S
E
O
F
T
H
L
A
A
U
X
R
T
K
E
H
E
B
A
A
U
G
E
T
A
H
A
T
B
T
J
N
H
M
P
J
S
M
Z
I
B
G
H
E
I
H
L
F
E
G
R
O
T
M
G
D
B
W
O
S
F
B
I
M
E
D
W
A
Y
