Bip39 vs bip84 https://atavi.com/share/xbwf7vz16jgof A BIP39 seed phrase designed with suitable randomness can not be guessed as a result of brute pressure, due to the fact there are just too quite a few permutations. For words that only have 3 letters, there is not any 4th letter. One example is https://bookmarkoffire.com/story20450519/bip39-format-example-5-simple-statements-about-bip39-converter-explained-https-t-me-bip39-chat