Bip39 last word checksum https://www.hometalk.com/member/176312665/elva1377050 The get of your mnemonic phrase matters. If you mess up the buy then you cannot Get better your wallet. All of your cash will likely be dropped endlessly. Make sure you have an appropriate backup. Want to examine which wallets support the BIP39 mnemonic https://send.now/zchzg5fu4oku