Bip39. At first you'll want to store it Individually from the seed. Owning your seed and also your passphrase in the same area defeats the objective of aquiring a passphrase in the first place. words, or enter your own under. Mnemonics with fewer than 12 words have very low entropy https://webnowmedia.com/story4007752/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-an-overview