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]: ['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['w', '287', '27', '437', 's', 'y', 'z', 'i']
[EX A]:
2, 3, 4, 7, 8