Beautiful-more beautiful-the most beautiful short- tasty- sweet- cheap- difficult- easy-

Short- shorter- the shortest 
tasty- tastier- the tastiest 
sweet- sweeter- the sweetest 
cheap- cheaper- the cheapest
difficult- more difficult- the most difficult
easy- easier- the easiest 

Short-shorter-the shortest
Tasty-tastier-the tastiest
sweet-sweeter-the sweetest
cheap-cheaper-the cheapest
difficult-more difficult-the most difficult
easy-easier-the easiest