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]: ['469', '65', '111', '135', '209', 'g', '407', 'd', 'r', '325']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['t', '493', 's', 'f', '279', 'f']
[EX A]: 2, 3, 4, 7, 9

[EX Q]: ['x', 'v', 't', 'x', 'w', 'd', 'g', 'x', '291', '473', '477', '259', '473']
[EX A]:
1, 2, 3, 4, 5, 7, 9