Import Bip39 Some words are shorter than 4 letters, like the word “act”. Other words are for a longer time than 4 letters, for instance “summary”. One set of mnemonic can be utilized to generate several addresses. This method of generating account was launched in BIP32 & BIP39 very long https://mysitesname.com/story8475883/bip39-word-list-github-bip39-word-list-secrets