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]: ['235', '17', 'g', '125', '455', 'h', 'u', 'u', 'y', '219', '129', 'q', 'u', 'r']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['353', '195', '297', '175', 'u', 'p', 'r', 'l']
[EX A]: 1, 2, 3, 5, 7, 9

[EX Q]: ['65', 'k', 'm', '199', 'o', '87']
[EX A]:
1, 5, 6, 7, 8, 9