Bip39 Seed. The wallet handles the hefty lifting of changing the mnemonic words by way of a technique of complex hashing, salting, and checksum operations into a binary "seed," which can be then used to make the all-vital private and community encryption keys. For words that only have 3 letters, https://afundirectory.com/listings13093757/bip39-mnemonic-code-converter-tool-https-linktr-ee-bip39-a-secret-weapon-for-bip39-npm