Bip39 Word List. The passphrase just isn't chosen through the predefined list of 2048 words – it could be any word or phrase you choose. BIP39 can be a layout implementation that lays out how copyright wallets generate the list of words (or "mnemonic codes") that make up a mnemonic https://mixbookmark.com/story4390117/bip39-word-list-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list