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]: ['e', 's', '153', 'e', '377', 'c', 'v', '437']
[EX A]: 1, 3, 4, 5, 7

[EX Q]: ['d', '351', '357', 'q', 'b', '19', 'r', '231', '381', 'x', 'a', 'y', '263']
[EX A]: 1, 2, 3, 5, 6, 7, 8, 9

[EX Q]: ['315', '481', 'k', '303', '163', '125', 'e', 'c', 'c', '269', 'k', '75', '109', '407']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9