Bip39 Standard. Before everything you'll want to retailer it Individually from a seed. Possessing your seed and also your passphrase in exactly the same spot defeats the goal of having a passphrase in the first place. BIP39 specifies a list of 2048 words from which the mnemonic phrase is selected. https://userbookmark.com/story18608509/bip39-words-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic