Bip39 Word List Mnemonic Some words are shorter than 4 letters, including the word “act”. Other words are more time than four letters, for example “abstract”. 1 list of mnemonic can be used to produce several addresses. This technique of producing account was launched in BIP32 & BIP39 long time https://bookmark-template.com/story21865426/bip39-mnemonic-seed-phrase-the-5-second-trick-for-bip39-word-list