Bip39 List. At the start you should retail outlet it SEPARATELY out of your seed. Owning your seed and your passphrase in the exact same location defeats the purpose of using a passphrase to start with. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked. https://mnobookmarks.com/story18576022/ian-coleman-bip39-https-linktr-ee-bip39-not-known-details-about-bip39-wallets