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]: ['353', 'y', 'a', 'g', '141', '97', '457', '297', '25', 'g', '131', 'u', '303', '39', 'p']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['j', 'w', 'h', 'r', 'w', 'h', 'd', 'f', '81', 'g', '145']
[EX A]: 1, 4, 5, 8

[EX Q]: ['239', '15', '115', '291', '383', 'n', '287', '103', '157', 'm', 'e']
[EX A]:
0, 1, 2, 3, 5, 7, 8, 9