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.

[Q]: ['m', '347', 'o', 'i', 'u', '135', 'e', '179', 'q', '13']
[A]: 1, 3, 4, 5, 7, 9


[Q]: ['357', 'c', 'f', '3', 'q', 'w', 'm', 'l', '137', 'k']
[A]: 1, 3, 5, 7


[Q]: ['y', '389', 'z', 'f', '53', 'c', 'b']
[A]:
3, 5, 8, 9