Seed Phrase Generator Trust Wallet Some words are shorter than four letters, including the word “act”. Other words are lengthier than four letters, which include “summary”. One particular set of mnemonic can be used to generate several addresses. This technique of building account was released in BIP32 & BIP39 long https://thegreatbookmark.com/story18665679/bip39-entropy-to-mnemonic-everything-about-bip39-phrase