SH (Mother letter, supreme principle)

 ├── K (Quality: original light, omnipotence, divine virtue)

 ├── H (Mental quality of Fire)

 ├── S (Astral quantity: original fire, penetrating power)

 └── T (Physical quantity: heat, combustion, material action)

A (Mother letter and Quality: creative breath, archetype of Air)

 ├── C (Mental quality of Air: clarity, thought, intellect)

 ├── L (Astral quantity: movement, expansion, communication)

 └── H (Physical quantity: breath, vibration, sound)

M (Mother letter and Quality: matrix, receptivity, archetype of Water)

 ├── N (Mental quality of Water: memory, psychic fluidity)

 ├── W (Astral quantity: flow, adaptability, plasticity)

 └── G (Physical quantity: liquid, humidity, dissolution)

Æ (Mother letter and Quality: form, stability, condensation, archetype of Earth)

 ├── I (Mental quality of Earth: structure, logic, coherence)

 ├── F (Astral quantity: density, solidity, inertia)

 └── R (Physical quantity: matter, body, fixation)