Bip39 Seed. The passphrase just isn't chosen through the predefined list of 2048 words – it could be any word or phrase you decide on. None of these illustrations are concerned with arguments that you'd probably use for different types of typos, tokenlists, etc. — Seed phrases are standardized, this https://greatbookmarking.com/story18669661/bip39-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work