Step 1: 💧 Water and 🌬️ Wind

Combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 2: 💧 Water and 💧 Water

Next, combine 💧 Water and 💧 Water to create 🌊 Lake

Step 3: 🔥 Fire and 🔥 Fire

Then, combine 🔥 Fire and 🔥 Fire to create 🌋 Volcano

Step 4: 💧 Water and 🌍 Earth

Now, combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 5: 💧 Water and 🔥 Fire

And then, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 6: 🌊 Wave and 🌱 Plant

As next step, combine 🌊 Wave and 🌱 Plant to create 🌊 Seaweed

Step 7: 🌋 Volcano and 🌊 Lake

Combine 🌋 Volcano and 🌊 Lake to create 🏝️ Island

Step 8: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 9: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 10: 🌊 Seaweed and 💨 Steam

Combine 🌊 Seaweed and 💨 Steam to create 🍣 Sushi

Step 11: 🏝️ Island and 💧 Water

Combine 🏝️ Island and 💧 Water to create 🚢 Ship

Step 12: 🌳 Tree and 💧 Water

Combine 🌳 Tree and 💧 Water to create 🌊 River

Step 13: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 14: 🚢 Ship and 🍣 Sushi

Combine 🚢 Ship and 🍣 Sushi to create 🍣 Sushi Boat

Step 15: 🚀 Rocket and 🌊 River

Combine 🚀 Rocket and 🌊 River to create 🚀 Water Rocket

Step 16: 🚀 Water Rocket and 🍣 Sushi Boat

Combine 🚀 Water Rocket and 🍣 Sushi Boat to create 🍣 Sushi Rocket