Bip39 Trezor For illustration, take the word “accident” for example. Its initially 4 letters are “acci”. In the event you consider the BIP39 word list, you will note that no other word starts with “acci”. It is possible to see the entire source code in standalone, offline html file. Alternatively https://web.archive.org/web/20241123074420/https://bip39-phrase.com/