Bip39 Api For illustration, go ahead and take word “incident” for instance. Its 1st four letters are “acci”. For those who consider the BIP39 word list, you will notice that no other word commences with “acci”. The computer software of the wallet uses an entire set of words taken from https://tbookmark.com/story18630406/what-is-a-seed-phrase-little-known-facts-about-bip39-word-list