Bip39 Vs Slip39. Push X to abort passphrase software and keep editing the passphrase. Choosing CANCEL just after an abort will stop the process. BIP39 is really a style implementation that lays out how copyright wallets produce the list of words (or "mnemonic codes") that make up a mnemonic sentence, https://bookmarksusa.com/story18781761/bip39-wallets-https-linktr-ee-bip39-bip39-words-fundamentals-explained