Bip39-Standalone. Although there are actually BIP39 wordlists in languages besides English, it is strongly not recommended to implement non-English words for wallet backups. It might make restoring the wallet tough or unattainable. Any one else who discovers the phrase can steal the bitcoins. It need to be held magic formula, https://free-bookmarking.com/story19670941/bip-39-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting