Bip39 First 4 Letters A BIP39 recovery phrase is also called a mnemonic phrase or seed phrase. It’s a sequence of 12 or 24 randomly generated words. This recovery phrase is utilized to again up and recover Bitcoin and also other copyright wallets without having to use complicated personal keys. https://directorypixels.com/listings13004454/old-seed-phrase-word-list-an-unbiased-view-of-bip39-word-list