Bip39-Standalone. At first you ought to keep it SEPARATELY from a seed. Owning your seed along with your passphrase in the identical spot defeats the goal of possessing a passphrase to start with. tell your wallet How to define your coins guiding it in the tree and are explained in https://checkbookmarks.com/story5214128/bip39-wallets-https-linktr-ee-bip39-a-review-of-bip39-generator