The scripture Mandukya Upanishad describes how AUM, or "OM," is the basis of all the other letters during the Sanskrit language and is connected to the universe and the human microcosm (analgous principles exist in these types of kabalistic works since the Sepher Yesirah). A mantra might also be related https://24by7directory.com/listings13292890/the-basic-principles-of-kali