Sociology Meta

Your new underwater pals have their own ways of doing things. How can they help you stop the School Bullies?

10 pairs of blue fish. In each row, the fish are looking at each other and have thought bubbles emanating from their heads. The thought bubbles of the fish on the right are empty, while those on fish on the left have letters inside. In order, they are: J K S W D P G R F T.
See original puzzle for image. Thought bubbles of the ten fish on the left:
J
K
S
W
D
P
G
R
F
T