Old Seed Phrase Word List. Though it uses BIP32 technique it is possible to however import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 version which some wallet use to the era of seeds. These words are pulled from a specific list of 2048 words. https://judahnxiug.wikitron.com/1125862/the_anatomy_of_a_bip39_phrase_entropy_phrases_and_security