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]: ['285', 'h', '231', 'l', 'd', 'k', '309', '345', 'k', 'p', '351', '93', 'b', 'w']
[EX A]: 0, 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['b', '351', 'g', 'k', '29', '15', '411', '97', 'r', '27', '279']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['423', '11', '395', 'r', '445']
[EX A]:
1, 2, 3, 4, 5, 9