Bip39 Mnemonic To Seed Some words are shorter than 4 letters, like the word “act”. Other words are longer than 4 letters, for example “summary”. Make sure you remember to let Restoration from mnemonic phrases which have invalid checksums (or that you do not have the wordlist) Use personal keys https://allkindsofsocial.com/story4328616/bip39-words-to-numbers-not-known-factual-statements-about-bip39-word-list