Bip39 world list https://www.plurk.com/p/3hf2syltjx Though it takes advantage of BIP32 system you'll be able to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Variation which some wallet use with the generation of seeds. This is effective mainly because BIP39 is supported by http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf