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By changing one letter to form new words with each turn, and leaving the other three letters in their original positions, convert the word HAND into the word FOOT. I was able to do it in five steps... can you do better? Good luck!
H A N D _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ F O O T
HereÂ is one SOLUTION.
HAND > BAND > BOND > FOND > FOOD > FOOT
If you come up with a different solution, please post it in the comments. Thanks!