Bip39 Taproot For illustration, take the word “incident” as an example. Its to start with four letters are “acci”. If you consider the BIP39 word list, you will see that no other word commences with “acci”. The computer software of the wallet utilizes a complete list of words taken from https://thebookmarklist.com/story18576843/bip39-typescript-little-known-facts-about-bip39-word-list