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]: ['t', 'r', 'z']
[EX A]: -1

[EX Q]: ['85', '101', 'j', 'g', 'o', 'f', 'w', 'o', 'm', '45', 'e', 'z']
[EX A]: 0, 1, 4, 5, 8

[EX Q]: ['151', 'j', 'o', 's', 'q', 'r', '325']
[EX A]:
1, 2, 3, 5