Bip39 Dictionary. You would then do a primary recovery with a command much like the 1 underneath. (This command utilizes a sample wallet file bunlded with BTCRecover) At its Main, a BIP39 passphrase modifies the cryptographic technique of wallet era. Here’s a complex take a look at how it works: https://socialmediaentry.com/story4430231/ian-coleman-bip39-https-linktr-ee-bip39-getting-my-bip39-wallets-to-work