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]: ['j', 'a', '29', 'y', 's', '107', '149', '499', '37', 'o', '289', 't']
[EX A]: 0, 1, 2, 3, 4, 7, 8, 9

[EX Q]: ['353', 'y', 'a', 'g', '141', '97', '457', '297', '25', 'g', '131', 'u', '303', '39', 'p']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['v', 'l', 'o', '407', 'g', '91', 'h', 'a', '55', '139', 'n', 'w', 'y']
[EX A]:
0, 1, 3, 4, 5, 7, 9