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]: ['363', 'w', '151', 'd']
[EX A]: 1, 3, 5, 6

[EX Q]: ['i', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']
[EX A]: 0, 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['37', '203', 'k', '451', '63', '245', 'h', 'a', '123', 'w', '369', 'f', '13', '475']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9