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]: ['295', 'd', 's', '1', '201', 'n', 'f', '15', '151', '307', 'b', '103', '255']
[EX A]: 0, 1, 2, 3, 5, 7, 9

[EX Q]: ['f', 't', 'a', '163', '297', '97', '487', '341', '193']
[EX A]: 1, 2, 3, 4, 6, 7, 8, 9

[EX Q]: ['341', 'k', '453', '485', 'q', '27', 's', 'j']
[EX A]:
1, 2, 3, 4, 5, 7, 8