Bip39-Standalone. Press X to abort passphrase application and continue to keep editing the passphrase. Picking CANCEL immediately after an abort will quit the process. BIP39 is really a style implementation that lays out how copyright wallets build the set of words (or "mnemonic codes") which make up a mnemonic sentence, https://bookmarking1.com/story18634609/bip39-wallet-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy