Bip39 Checksum. use the joined words as a mnemonic sentence. The next desk describes the relation amongst the initial entropy The entropy we produce have to be a numerous of 32 bits, as that enables us to split the entropy up in to even chunks when changing to words afterwards. https://exceeddirectory.com/listings646168/bip39-list-https-linktr-ee-bip39-bip39-word-list-no-further-a-mystery