Bip39 Android Some words are shorter than four letters, including the word “act”. Other words are lengthier than four letters, for instance “summary”. Do not share: Never share your seed phrase with everyone. The phrase equates towards your personal keys and should be saved confidential continually. You should refer to https://one-bookmark.com/story18559799/bip39-bip32-bip44-everything-about-bip39-phrase