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]: ['t', 'u', 'e', 'a', '369', 'e', 'r', 'm']
[A]: 3, 6, 9


[Q]: ['251', '173', '301', '339', '267', 'p', '347']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['219', 'd', 'r', 'r', '103', 'w', 'u', 'j', 'r', 'j', 'w', '217', '89', '137', 's']
[A]:
0, 1, 2, 3, 7, 8, 9