Concentration without recitation

Concentration abiding in fire མེ་གནས་ཀྱི་བསམ་གཏན།
Observing one's wisdom of emptiness appearing in the aspect of the mantra’s sound resounding within the tongue of a flame on a subtle moon disc at one's heart
Concentration abiding in sound སྒྲ་གནས་ཀྱི་བསམ་གཏན།
Observing the aspect of the mantra’s sound resounding within the tongue of a flame at the heart of a small replica of the deity residing in the tongue of a flame on a subtle moon disc at one's heart
Concentration bestowing liberation at the end of sound སྒྲ་མཐར་ཐར་པ་སྟེར་བའི་བསམ་གཏན།
Cultivating special insight observing the emptiness of inherent existence through alternating analytical and stabilising meditations

Also called: Concentration on the three principles དེ་ཉིད་གསུམ་གྱི་བསམ་གཏན།