Bip39 seed phrase https://sergiouwfc622.fotosdefrases.com/exactly-how-to-generate-a-bip39-seed-a-step-by-step-guide Mycelium - A mobile wallet that supports BIP39 seed phrases and has State-of-the-art capabilities for power consumers. For words that only have 3 letters, there's no 4th letter. For example With all the word “incorporate”, there aren't any much more letters Later on and ... https://1001bookmarks.com/story19877700/bip39-mnemonic-word-list-bip39-checksum-an-overview-https-cutt-ly-uryc5rw7