Bip39 Words. While it uses BIP32 technique you could nonetheless import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 Model which some wallet use for the generation of seeds. As it is possible to see, these are typically regular words which are very easy to retailer https://finance04825.mappywiki.com/1111069/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection