Bip39-Standalone. Although there are actually BIP39 wordlists in languages other than English, it is strongly not advised to utilize non-English words for wallet backups. It would make restoring the wallet difficult or impossible. Yes, BIP39 passphrases are case-delicate. You should definitely enter your passphrase particularly when you set it up, https://bookmarkproduct.com/story19698784/ian-coleman-bip39-https-linktr-ee-bip39-the-best-side-of-bip39-mnemonic