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]: ['c', '31', '49', 'x', 'n', 'i', 'a', '135', '65', '401', 'b', '213', 'f', '321']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 9

[EX Q]: ['153', 'b', 'w', 'y', 'k', '385', '221', '153', 'b', '123', 'd', '151', 'y']
[EX A]: 1, 2, 3, 5, 8

[EX Q]: ['t', '173', 'i']
[EX A]:
1, 3, 7