Take the first letter of the second word
+ the first letter of the first word
+ the second letter of the first word
+ the last letter of the second word.
At each step, the current word is changed by one letter to create the next word.
These words in turn mean:
a gaggle of geesea device for measuring timewhat you can do with a mousea baby chickena device to prevent wheels from movinga surprisea small housea pile of cardsa small piece of woodunable to move
Answers flock = a gaggle of geeseclock = a device for measuring timeclick = what you can do with a mousechick = a baby chickenchock = a device to prevent wheels from movingshock = a surpriseshack = a small housestack = a pile of cardsstick = a small piece of woodstuck = unable to move
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Puzzle 531
How many squares of any size on this chessboard do not contain a rook?
