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

спасибо

short- shorter- the shortest tasty- tastier- the tastiest sweet- sweeter- the sweetest cheap- cheaper- the cheapestdifficult- more difficult- the most difficulteasy- easier- the easiest 

Short-shorter-the shortestTasty-tastier-the tastiestsweet-sweeter-the sweetestcheap-cheaper-the cheapestdifficult-more difficult-the most difficulteasy-easier-the easiest