Bip39 validator https://www.hometalk.com/member/176312665/elva1377050 This can be why it is best to come up with a backup of your respective seed phrase employing metallic copyright wallet like Coinplate, which happen to be a hundred% stainless steel and BIP39 compatible. For words that have only three letters, there isn't any 4th letter. https://whitebookmarks.com/story20200606/official-bip39-list-the-smart-trick-of-bip39-word-list-github-that-no-one-is-discussing-https-x-com-tundra838554