I have been thinking about the steganography aspects.
8! = 40320
So lets say you decide to encrypt your private key with a 128 bit key
and then convert the result to words from the code book. You could
then write a sentence using the phrase and keep it in a handy place if
you ever need it again.
If the words get jumbled up, there is a manageable number of
decryption attempts required (40K).
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