Bip39 Is Not Defined While it takes advantage of BIP32 method you'll be able to still import BIP39 seeds into Electrum wallet. Also other than BIp32 There exists BIP44 Model which some wallet use with the technology of seeds. Listed below are five solutions to crank out a seed phrase, https://bookmarkinginfo.com/story18568192/bip39-recovery-seeds-the-5-second-trick-for-bip39-word-list