Bip39 Seed. Due to the cryptographic style of BIP-39, a weak passphrase will not reduce the security of the opposite wallets or support reveal the seed words. words, or enter your own personal under. Mnemonics with less than twelve words have low entropy and will be guessed by an attacker. https://infopagex.com/story4874196/bip39-passphrase-https-linktr-ee-bip39-the-2-minute-rule-for-bip39-word-list