Bip39-Standalone. First of all you must keep it Independently from the seed. Owning your seed and also your passphrase in precisely the same spot defeats the goal of getting a passphrase to begin with. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked. Just about https://madbookmarks.com/story19504160/bip39-word-list-https-linktr-ee-bip39-how-bip39-generator-can-save-you-time-stress-and-money