Iancoleman Bip39 Mnemonic Code. Even though it employs BIP32 method it is possible to still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There may be BIP44 version which some wallet use with the generation of seeds. These words are pulled from a certain list of 2048 https://beckettmwhue.westexwiki.com/1098806/the_anatomy_of_the_bip39_phrase_entropy_text_and_security