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]: ['305', '447', '125', 'c', '469', '231', 'c', '33', 'r', '69', 'p', 'b', '143']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['279', 'm', '453', 's', 'x', 'g', 'i', 'x', 'd']
[EX A]: 2, 3, 4, 5, 7, 9

[EX Q]: ['327', '389', '327', 'z', 'w', 'j', '415', '437', '103', '33']
[EX A]:
0, 1, 2, 3, 4, 5, 7, 8, 9