#13: Restrainable Brainteaser

Don't get sea legs on this one, or you might end up wageless.

AAELLSRT

CEHINPU

CDEEFLORT

AEFGHSTTU

AEEGHINRRSTT

AAEGLLTSS

GILNNORSU

ADEELNOR

ADDHHLNO

ADDDEEHNRU

EEEEHLNRSSTV

Modification (Jan 4, 10:30 p.m. EST): The order of this puzzle's clues has been changed, and some intermediate clues have been added. Please submit your intermediate answers again.

Modification (Jan 6, 1:30 a.m. EST): Due to an ambiguity, the fourth clue in the puzzle has been removed and replaced with what is now the fifth clue. The rest of the puzzle, including the solution, is unchanged.