Bip39 generator https://500px.com/p/alexzhiglatyxrnxb Even though it works by using BIP32 strategy it is possible to even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 You can find BIP44 Variation which some wallet use for that generation of seeds. BIP39 solves this through the use of human-readable seed https://bookmarkstime.com/story20445322/bip39-random-word-generator-helping-the-others-realize-the-advantages-of-bip39-recovery-tool-https-cutt-ly-uryc5rw7