Bip39 Validate Mnemonic As an illustration, take the word “incident” as an example. Its to start with 4 letters are “acci”. Should you look at the BIP39 word list, you will note that no other word commences with “acci”. You could see the total source code in standalone, offline html https://socialrus.com/story17929830/bip39-meaning-the-fact-about-bip39-phrase-that-no-one-is-suggesting