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]: ['h', 'i', 'e', '319', 'g', '187', '395', 'f', '327', 'y']
[A]: 1, 2, 3, 5, 7, 8, 9


[Q]: ['41', 'o', 'm', 'h', 's', 't', '407', '445', '371', '93', '291', '457', 'r', '391', 'a']
[A]: 0, 1, 2, 3, 4, 5, 7, 9


[Q]: ['c', '481', 's', 'l', '59', '179', 'p', '93', 'q']
[A]:
1, 3, 4, 5, 7, 8, 9