Bip39 browser https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure Let's assume It's going to be 10x speedier compared to the GFX card higher than so around 2,4M hashes/s. A normal attacker will have some such specialised products. For words that have only three letters, there is absolutely no 4th letter. By way of example Along with https://500px.com/p/alexzhiglatyxrnxb