Kalachakra Mantra

Root Mantra of Kālachakra transliterated in Tibetan using Sogyal Rinpoche's calligraphy

haṃ kṣhaḥ ma la va ra ya

The ten letters of the root mantra of Kālachakra are:

1. h
2. kṣh
3. m
4. l
5. v
6. r
7. y
8. the visārga in kṣhaḥ, which features as the cresent below the anusvāra
9. the anusvāra in haṃ
10. the vowel a, which is the "life" of the consonants.