Bip39 Dictionary. The passphrase isn't selected with the predefined list of 2048 words – it might be any word or phrase you end up picking. BIP39 is really a layout implementation that lays out how copyright wallets develop the list of words (or "mnemonic codes") that make up a mnemonic https://bookmarkshut.com/story19454974/bip39-words-https-linktr-ee-bip39-bip39-words-an-overview