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

[EX Q]: ['i', 'b', 'w', '409', 'f', '67', 's', '21', 'y', 'c', '401', 'f', 'k', '319']
[EX A]: 0, 1, 2, 3, 4, 6, 7, 9

[EX Q]: ['279', 'a', 'o', 'y', 'y', 'l', 's', '227', 'h', '235', 's', 'o', '385', '397']
[EX A]:
2, 3, 5, 7, 8, 9