Step 1: 💧 Water and 🌍 Earth

Combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 2: 🌬️ Wind and 🌬️ Wind

Next, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 3: 🌍 Earth and 🌬️ Wind

Then, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 4: 🌫️ Dust and 🌱 Plant

Now, combine 🌫️ Dust and 🌱 Plant to create 🌱 Pollen

Step 5: 🌱 Plant and 💧 Water

And then, combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 6: 🌪️ Tornado and 🌪️ Tornado

As next step, combine 🌪️ Tornado and 🌪️ Tornado to create 🌀 Hurricane

Step 7: 🌱 Pollen and 🌫️ Dust

Combine 🌱 Pollen and 🌫️ Dust to create 🤧 Allergy

Step 8: 🌀 Hurricane and 🐊 Swamp

Combine 🌀 Hurricane and 🐊 Swamp to create 🐊 Alligator

Step 9: 🤧 Allergy and 💧 Water

Combine 🤧 Allergy and 💧 Water to create 🤧 Sneeze

Step 10: 🤧 Sneeze and 🐊 Alligator

Combine 🤧 Sneeze and 🐊 Alligator to create 🤧 Sneezigator