Bip39 Seed Generator. Due to the cryptographic style and design of BIP-39, a weak passphrase will not reduce the protection of the other wallets or enable reveal the seed words. Any individual else who discovers the phrase can steal the bitcoins. It has to be saved magic formula, for example https://guidemysocial.com/story4033140/bip39-wallets-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting