Bip39 Mnemonic Brute Force. Although it works by using BIP32 system you may still import BIP39 seeds into Electrum wallet. Also apart from BIp32 there is BIP44 version which some wallet use for your era of seeds. Quantities proven in italicized textual content are for products listed in currency in https://bookmark-nation.com/story18526670/bip39-hardware-5-tips-about-bip39-generator-you-can-use-today