Bip39 invalid mnemonic https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 A BIP39 seed phrase established with suitable randomness can not be guessed as a result of brute drive, due to the fact you'll find just too a lot of permutations. For words that have only 3 letters, there isn't any 4th letter. One example is... https://livebackpage.com/story6072623/bip39-browser-bip39-compatible-wallet-an-overview-https-dzen-ru-bip39-phrase-com