Om aim hreem kleem chamundaayai vichhe is the navarna mantra. The place Om could be the common sound, absolutely the brahman that is always invoked ahead of any mantra. Allow recognize the information about rest of the mantra. ऐं बीज सहिताया रक्त-दन्तिका-दुर्गायै भ्रामरी देवताभ्यो नमः लिङ्गे (मनसा) ॐ स्त्राम् स्त्रीम् https://www.youtube.com/shorts/mSjgFVl-9jg