I'm positive this is not person mistake, Because the recovery phrase was found in two unique areas: backed up inside a file on S3, and printed on a piece of paper. This text clarifies BIP39, the standard that defines how seed phrases are made, and summarizes how BIP32 and BIP44 https://nybookmark.com/story20409107/new-step-by-step-map-for-bip39-english-words