Bip39 hardware wallet https://go.bubbl.us/ebe220/f17a?/Bookmarks Let us believe It will probably be 10x more quickly compared to GFX card higher than so about 2,4M hashes/s. An average attacker will have a couple of these specialised products. For words that have only 3 letters, there isn't a 4th letter. For example Using https://esocialmall.com/story5927846/bip39-word-checker-bip39-compatible-wallet-can-be-fun-for-anyone-https-linktr-ee-bip39