How do you make all the elements in little alchemy?

How do you make all the elements in little alchemy?
The following items can be made from the four basic elements.

Lava: Combine earth and water.
Energy: Combine air and fire.
Steam: Combine fire and water.
Dust: Combine earth and air.
Mud: Combine earth and water.
Rain: Combine air and water.
Sea: Combine two waters.
Pressure: Combine two air or two earth.

The following items can be made from the four basic elements.
  1. Lava: Combine earth and water.
  2. Energy: Combine air and fire.
  3. Steam: Combine fire and water.
  4. Dust: Combine earth and air.
  5. Mud: Combine earth and water.
  6. Rain: Combine air and water.
  7. Sea: Combine two waters.
  8. Pressure: Combine two air or two earth.