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 have only three letters, there is absolutely no 4th letter. For instance Along with the word “add”, there isn't any much more letters Later https://webdirectory11.com/listings699358/bip39-https-linktr-ee-bip39-fascination-about-bip39-word-list-pdf