In up to date Theravada follow, mantra practice is usually coupled with breathing meditation, to make sure that a single recites a mantra at the same time with in-breath and out-breath that can help develop tranquility and focus. The mantras are drawn through the Vairocanābhisaṃbodhi Sūtra. The mantra for each https://www.youtube.com/shorts/x-uzzNOcLMQ