Bip39 dice https://www.empowher.com/user/4550298 Though it works by using BIP32 process you could still import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 Edition which some wallet use for your generation of seeds. For example, when you initially setup your wallet and produced seed using Ledger Nano https://indexedbookmarks.com/story20358350/bip39-or-slip39-bip39-checksum-an-overview-https-cutt-ly-uryc5rw7