Bip39 test vectors https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure Even though it utilizes BIP32 strategy you may even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 There may be BIP44 version which some wallet use to the generation of seeds. Some wallets can import several seed phrases and some only have 1 https://social4geek.com/story6228784/bip39-keywords-bip39-ian-coleman-for-dummies-https-t-me-bip39-chat