First Chakra The vowel U, as ooh. The mantra LAM. Second Chakra The vowel Oas, as in November. The mantra VAM. Third Chakra The vowel O, as in God. The mantra RAM. Fourth Chakra The vowel sound ah. The mantra YAM. Fifth Chakra The vowel sound eh. The mantra HAM. Sixth Chakra The vowel sound e, as in easy. The mantra OM. Seventh Chakra The vowel sound m. The mantra AUM.