Bip39. Push X to abort passphrase application and continue to keep editing the passphrase. Deciding on CANCEL just after an abort will stop the method. BIP39 is a design implementation that lays out how copyright wallets generate the list of words (or "mnemonic codes") which make up a mnemonic sentence, https://thebookmarkking.com/story18648701/bip39-wallet-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic