A traveller was showing a geologist friend around Duke Bluebeard's castle.
"One used to be able to look out down on to the plain," he said, "but it looks as if the Duke has taken the window the plain could be looked out down on to out of away."
"I wonder," pondered the geologist, "what he has walled the window the plain was looked out down on to out of up with."
"I should like to find someone to take the question of what he took the window the plain was looked out down on to out of away for up with."
"Or indeed what it is walled up with," murmured the other.
Out of the darkness, the Duke's voice was heard:
"I am the one to take the question of what I walled that view I could no longer put up with up with up with.
Source - http://www.furthermore.org.uk/ - published under Creative Commons Licence