Bip32 and bip39 https://www.hometalk.com/member/176312665/elva1377050 Developed for day-to-day customers however strong ample for probably the most seasoned copyright fanatics, Vault12 Guard makes sure your wallet seed phrases and personal keys are preserved in a totally self-sovereign way, across all Blockchains. For words that only have 3 letters, there isn't any 4th https://guideyoursocial.com/story4914769/bip39-balance-checker-a-secret-weapon-for-bip39-mnemonic-https-linktr-ee-bip39