Bip39-Standalone. Thanks to the cryptographic layout of BIP-39, a weak passphrase would not reduce the security of the other wallets or help reveal the seed words. BIP39 specifies a list of 2048 words from which the mnemonic phrase is preferred. Each word represents a amount in a very binary sequence, https://bookmarkick.com/story19501018/bip39-word-list-https-linktr-ee-bip39-bip39-words-fundamentals-explained