Bip39 word list excel https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Let us believe It will probably be 10x a lot quicker in comparison to the GFX card previously mentioned so roughly two,4M hashes/s. An average attacker will have a few such specialised devices. For words that have only 3 letters, there isn't any 4th letter. https://lingeriebookmark.com/story9916045/bip39-txt-examine-this-report-on-bip39-vs-slip39-https-linktr-ee-bip39