Bip39 seed phrase generator https://bip39marco.mystrikingly.com/ Though it uses BIP32 system you could even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 Model which some wallet use to the era of seeds. BIP39 is like the opportunity to “examine” and understand the seed phrase. But, https://get-social-now.com/story5410967/bip39-how-many-combinations-indicators-on-bip39-ian-coleman-you-should-know-https-t-me-bip39-chat