possible combinations

[Roderic_Deriere]

I need to make a spreadsheet that will calculate and output combinations of letters.
So I have the word "words" and by swapping only 2 letters at a time with each other I want to change it from "words" into Sword", that part is easy. also I only have 4 moves to do it in for example one way would be as follows:
words
worsd
wosrd
wsord
sword
there are many more ways to do this so I want a spreadsheet that can calculate and show all the possible combinations from words to sword in 4 moves.

 

[Peter_SSs]

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Cross posted at: Possible combinations
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