Bip39 Dictionary. Firstly it is best to store it Independently from your seed. Owning your seed and also your passphrase in the identical site defeats the objective of possessing a passphrase in the first place. BIP39 specifies a list of 2048 words from which the mnemonic phrase is decided on. https://admiralbookmarks.com/story19082849/bip39-generator-https-linktr-ee-bip39-not-known-details-about-bip39-list