Bip39 Word List. If you would like to refresh your memory about the fundamentals of how copyright wallet seed phrases and passphrases work, think about examining the Vault12 posting with regards to the BIP39 standard. For words that have only 3 letters, there is no 4th letter. As an example https://slimdirectory.com/listings698911/bip39-mnemonic-generator-https-linktr-ee-bip39-not-known-details-about-bip39-passphrase-generator