Bip 39 Passphrase By way of example, take the word “incident” as an example. Its initially four letters are “acci”. If you consider the BIP39 word list, you will see that no other word starts with “acci”. This will likely make a bundle that only consists of the chinese_simplified wordlist, https://kbookmarking.com/story18517155/bip39-buffer-is-not-defined-detailed-notes-on-bip39-phrase