In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.

[EX Q]: ['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']
[EX A]: 1, 2, 3, 4, 8, 9

[EX Q]: ['k', 'q', 'a', 'u', 'q']
[EX A]: -1

[EX Q]: ['g', '439', 'b', 'x', 'c', '461', 's', 'p', '303', '217', '327']
[EX A]:
0, 1, 2, 3, 4, 6, 7, 9