Bip39 Standard. 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. One example is Using the word “add”, there aren't any additional letters afterwards and https://princedirectory.com/listings13158574/bip39-compatible-wallet-https-linktr-ee-bip39-5-simple-techniques-for-bip39-compatible-wallet