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.

[Q]: ['345', 'h', '9']
[A]: 3, 4, 5, 9


[Q]: ['103', '431', 'z', '99', 'h', 'c', 'a', '433', '55', 'k', 'a']
[A]: 0, 1, 3, 4, 5, 9


[Q]: ['327', '101', '461', '235', 'c', 'y', '341']
[A]:
0, 1, 2, 3, 4, 5, 6, 7