"ar"
"er"
"ir"
"or"
"ur"
100
Car
100
Deer
100
Air
100
Door
100
Fur
200
Star
200
Over
200
Hair
200
Odor
200
Pour
300
Sugar
300
Diner
300
Repair
300
Humor
300
Flour
400
Dollar
400
Poster
400
Stair
400
Major
400
Tour
500
Guitar
500
Monster
500
Chair
500
Author
500
Dinosaur