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]: ['j', 'v', 'q', '393', 'z', 'l', 'g', 'q', '193']
[EX A]: 1, 3, 9

[EX Q]: ['k', 'a', '437', '461', 'b', '341', '175']
[EX A]: 1, 3, 4, 5, 6, 7

[EX Q]: ['203', 'j', 'z', '449', '441', '237', 'f', 'i', 'g', '59', 'u', 'e', 'j', 'p']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 9