Bip39 Github. At the start you need to shop it SEPARATELY from the seed. Getting your seed and also your passphrase in a similar spot defeats the purpose of having a passphrase to begin with. What constitutes a "excellent wallet" is one that has crystal clear, simple to obtain documentation https://bookmark-template.com/story22008007/bip39-word-list-pdf-https-linktr-ee-bip39-bip39-words-an-overview