Bip39 word checker https://www.slideserve.com/lewarthbfp/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial Let us presume It's going to be 10x more quickly than the GFX card previously mentioned so about 2,4M hashes/s. An average attacker will individual a couple of these kinds of specialised units. For words that have only three letters, there isn't any 4th letter. As https://list.ly/i/11078004