Bip39 First 4 Letters Some words are shorter than four letters, such as the word “act”. Other words are for a longer period than four letters, such as “abstract”. Nearly all people today publish the phrases on paper, but they can be retained in all kinds of other ways: remembered, https://thebookmarkid.com/story18712964/bip39-bitcoin-the-smart-trick-of-bip39-phrase-that-no-one-is-discussing