Scure bip39 npm https://www.hometalk.com/member/176312665/elva1377050 Regardless that it takes advantage of BIP32 system it is possible to nonetheless import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 version which some wallet use for your era of seeds. For words that only have 3 letters, there is no 4th letter. https://expressbookmark.com/story20095585/bip39-how-many-combinations-bip39-passphrase-generator-options-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw