Bip39 Split Mnemonic By way of example, take the word “incident” as an example. Its to start with 4 letters are “acci”. In the event you consider the BIP39 word list, you will see that no other word starts with “acci”. Backup: The moment created, the seed phrase is exhibited https://web.archive.org/web/20241123074420/https://bip39-phrase.com/