Consists of three measures A U and M
A
- Observe that bottom of throat and mouth is open
- The sound within expressed outward - manifestation
U
- A is transformed in the mouth by a narrowed channeling through pursing the lips
- Represents the subtle - the mind works with impressions of sense objects
M
- Resonant
- Closed lips and mouth - Humming - Drone sound(background)
- Mother,ma
- Unlike the generative A tapers to nothing