Bip39 Words. At the start it is best to store it Individually from your seed. Having your seed and your passphrase in the identical locale defeats the goal of possessing a passphrase in the first place. BIP39 specifies a list of 2048 words from which the mnemonic phrase is decided https://royalbookmarking.com/story19109404/bip39-wallet-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-wallets