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]: ['o', 'e', '187', '153', 'a', '253', 'f']
[EX A]: 1, 2, 3, 5, 7, 8

[EX Q]: ['5', 'y', 'l', '311', '269', 'f', 'm', '25', 'j', 's', 't', '283', 'p']
[EX A]: 1, 2, 3, 5, 6, 8, 9

[EX Q]: ['465', '489', '155', 'r', 'x', '437', 'f', 'r', '13', '293', 'z']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9