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]: ['487', 'x']
[EX A]: 4, 7, 8

[EX Q]: ['a', '409', '475', 'd', 'z', '61', 'j', 'a', 'v']
[EX A]:
0, 1, 4, 5, 6, 7, 9