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]: ['431', '245', '23', 'c', '185', 'k', '155', '163', 'e', '35', 'r', '175', '163']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8

[EX Q]: ['g', '411', '307', 'i', '483', 'z', '29', 't', 'f', 'z']
[EX A]: 0, 1, 2, 3, 4, 7, 8, 9

[EX Q]: ['407', 'l', '287', '325', 'r']
[EX A]:
0, 2, 3, 4, 5, 7, 8