Bip39 Checksum. As palavras desta frase são selecionadas de uma lista definida de 2048 palavras, que pode ser acessada aqui ou listada abaixo: For words that only have three letters, there isn't any 4th letter. Such as Together with the word “add”, there aren't any additional letters Later on and https://ukdirectoryof.com/listings13035745/bip39-words-https-linktr-ee-bip39-5-simple-techniques-for-bip39-compatible-wallet