[ Maruki huffs a little laugh, already sort of fond. ]

I'm not underestimating you. Simply double checking. Let's see–

[ He doesn't even know what Alan Shepard Park is, so he focuses on the other and begins to scribble words along the margin on his side. ]

Squirms? No... Slither? Ah, what else do eels do...

[ He picks his head up to stare out the window, gaze unfocused, pencil pressed to his lips. ]

Wiggles? I feel like the clue doesn't indicate a conjugated verb, though.