If the powerful planet be Mars the letters will be of the group ka, kha, ga, gha, ṅga ; if the powerful planet be Venus the letters will be of the group ca, cha, ja, jha, ñja ; if the planet be Mercury the letters will be those of the group ta, tha, da, dha, na ; if the planet be Jupiter the letters will belong to the group ta, tha, da, dha, na , if the planet be Saturn, the letters belong to the group pa, pha, ba, bha, ma ; if the planet be the Moon, the letters belong to the group, ya ra, la, va, śa, ṣa, sa, ha , and if the planet be the Sun, the letters belong to the group of vowels from a to au .