Water + Water = Lake
Lake + Lake = Ocean
Earth + Earth = Mountain
Mountain + Earth = Volcano
Volcano + Ocean = Island
Island + Earth = Continent
Continent + Continent = Land
Land + Water = Plant
Plant + Earth = Tree
Tree + Tree = Forest
Forest + Earth = Wood
Wood + Fire = Ash
Ash + Water = Mud
Mud + Plant = Swamp
Swamp + Fire = Life
Life + Earth = Animal
Animal + Fire = Phoenix
Phoenix + Earth = Bird
Bird + Earth = Chicken