Bip39 bip44 compatible software wallet https://papaly.com/1/eMEf This can be why you must make a backup within your seed phrase making use of steel copyright wallet like Coinplate, which happen to be a hundred% stainless-steel and BIP39 compatible. For words that only have 3 letters, there is not any 4th letter. https://atozbookmarkc.com/story20910473/official-bip39-word-list-5-tips-about-bip39-checksum-you-can-use-today-https-linktr-ee-bip39