Bip39 List. Before everything it is best to store it Independently from a seed. Possessing your seed as well as your passphrase in precisely the same locale defeats the goal of possessing a passphrase to begin with. At its core, a BIP39 passphrase modifies the cryptographic means of wallet technology. https://onelifesocial.com/story4429348/bip39-generator-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list