Bip39 Tool. The passphrase just isn't selected within the predefined list of 2048 words – it can be any word or phrase you decide on. words, or enter your very own under. Mnemonics with below twelve words have small entropy and could be guessed by an attacker. Mnemonic Language — https://gorillasocialwork.com/story21115864/bip39-words-https-linktr-ee-bip39-bip39-words-fundamentals-explained