1 unbelievable
2 inconvenient
3 independent
4 disapprove
5 disable
6 unconscious
7 inexperienced
8 disagree
9 unforgettable
10 unlock
11 unusually
12 untidy
13 unpleasant
14 unusually
15 impatient, unfriendly
16 skillled
17 unimportant
18 disappeared
19 disagreed
20 agree
21 irregular
22 illegal
23 untidy
24 able.