Bip39-Standalone. Firstly you need to keep it SEPARATELY from a seed. Having your seed plus your passphrase in the identical place defeats the purpose of getting a passphrase in the first place. If you were to reveal your seed phrase under duress, your hidden wallets would remain safe and unfamiliar. https://travialist.com/story9755606/bip39-list-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list