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]: ['p', 'p', '91']
[A]: 1, 9


[Q]: ['v', 'i', 'g', 'h']
[A]: -1


[Q]: ['489', '111', '297', '235', '133', 'e']
[A]:
1, 2, 3, 4, 5, 7, 8, 9