Due to their connection to the god Triglav, a Slavic representation of Satan, I'm curious if these words can be used as mantras. If so, what are the effects?

https://en.m.wikipedia.org/wiki/Prav-Yav-Nav

Ok with the help of a friend of mine I've figured out how to use these and it's actually very powerful.

Vibrate prav into the 3rd eye, crown, 6th, then throat, yav into the base, sacral then solar, and nav into the heart and aura.

I tried 13 reps in each chakra and this was almost too much to handle even without focusing on the energy after vibration of the mantras so I suggest starting with 4 or 5