1.happier-the happiest
2.nicer-the nicest
3.better-the best
4.dimmer-the dimmest
5.longer-the longest
6.worse-the worst
7.more beautiful-the most beautiful
8.shorter-the shortest
9.darker-the darkest
10.dirtier-the dirtiest
11.calmer-the calmest
12.more comfortable-the most comfortable
13.more-the most
14.sadder-the saddest
15.softer-the softest
16.more wonderful-the most wonderful
17.colder-the coldest