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]: ['173', 'r', 'a', 'n', 'h', 'o', 'w', '135', '321', '59', 'r', '295', 'r']
[EX A]: 1, 2, 3, 5, 7, 9

[EX Q]: ['f', 'u', 'd', '51', 'w', '449', 'z', '313', '153', 'z', '319']
[EX A]: 1, 3, 4, 5, 9

[EX Q]: ['389', 'b', 'o', '61', '149', 'p', 'c', 'g', 'r', 'c', 'x', '489']
[EX A]:
1, 3, 4, 6, 8, 9