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]: ['165', 'k', 'a', 'v', 'u', '61', '327']
[EX A]: 1, 2, 3, 5, 6, 7

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

[EX Q]: ['425', '359', 'k', 'v', 'n', '473', '331', '269', '407', 'p', 'w', 's', 'l', '499']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9