Old Seed Phrase Word List Although it makes use of BIP32 process you could continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Model which some wallet use for that era of seeds. Backup: At the time created, the seed phrase is exhibited https://one-bookmark.com/story18542523/ton-wallet-seed-phrase-generator-the-definitive-guide-to-bip39-phrase