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]: ['109', 't', '283', 'c', 'u', 'y', '251', 'x', '377', 'n', 's', 'd', 't', 'q', 'o']
[EX A]: 0, 1, 2, 3, 5, 7, 8, 9

[EX Q]: ['t', 'p', 'u', 'a']
[EX A]: -1

[EX Q]: ['193', 'w', '161', 'm', '57', '289', 'i', '135', 'c', '253', 'x', '453', 'i', 'r']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 8, 9