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]: ['z', 'l', 's', '249', 'e', 'h', 'l']
[EX A]: 2, 4, 9

[EX Q]: ['i', 'f', '109']
[EX A]: 0, 1, 9

[EX Q]: ['451', '261', 'x', '303', '359', 'i', '73', '365', '229', '321']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9