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]: ['285', 'f', '469', 'b', '161', 'q', 'l']
[EX A]: 1, 2, 4, 5, 6, 8, 9

[EX Q]: ['13', 'p', '427', 's', 'x', 'x', '43', 'h', 'j', 'z', '21']
[EX A]: 1, 2, 3, 4, 7

[EX Q]: ['437', 'e', 'b', 'f', '203', 't', '5', '461', 'e', '367', '391', '81']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9