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', 'p', 'j', 'x', 'k', '295', '221', '261', '221', 'b', '431', '427']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['405', 'x', '163', 'z', 'z', '261', 'o']
[EX A]: 0, 1, 2, 3, 4, 5, 6

[EX Q]: ['u', 'k', 'm', 'x', '45', 'c', '149', 'c']
[EX A]:
1, 4, 5, 9