Download bip39 wordlist https://giphy.com/channel/ebliciwsah Implementations like SLIP39 increase BIP39's abilities by splitting seed phrases into many shares, requiring a predefined threshold of shares to reconstruct the initial seed. This strategy enhances stability by removing single details of failure. For words that have only 3 letters, there isn't a 4th letter. https://checkbookmarks.com/story6025384/bip39-blockchain-bip39-converter-an-overview-https-cutt-ly-uryc5rw7