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]: ['m', 'c', '139', '433', '29', 'z', '45', 't', 'a', 'n', '297', '45', '281']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['w', '203', 'd', '133', 'i', 'j', 'd', 'u', 'u', 's', 'f', 'f', '221', '341', '299']
[EX A]: 0, 1, 2, 3, 4, 9

[EX Q]: ['491', 'p', 'm']
[EX A]:
1, 4, 9