Fool's Errand - X-Or Puzzles

X-Or puzzles present you with a blank screen at the top and a
series of buttons along the bottom. If you click on a button, you
turn it on (or click again to turn it off), making a pattern at
the top of the screen.  Clicking on the correct buttons will
reveal a word or series of letters which have some revelance to
the Fool's Errand story.

The Moon:
--------
Turn on:
MUCHtoACCOMPLISH
  xx xx xx xxxxx giving the letters AIH.

Judgement:
---------
Switch on:
gazeINTOtheSANDS
xx   xxxxxx   xx giving the letters EZC.

The Singer:
----------
This time switch on: areYOUReyesBLIND
                     x     xx xx x xx to reveal BOW.

Despair: The final X-Or puzzle, and (not unexpectedly) the most
-------  tricky.
Switch on: TENglowingSWORDS
            x xxxx xxxxx xx to reveal the word PUS.