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]: ['213', 'm', '347', '217', 'g', '207', '361', 'q']
[EX A]: 0, 1, 2, 3, 4, 6, 7

[EX Q]: ['a', 'n', '423', 'y', 'y', 'u', '55', 'y', '295', '73', 't', 'p']
[EX A]: 2, 3, 4, 5, 7, 9

[EX Q]: ['y', 'w', 'q', '227', 'x', '257', '237', '215', '59', 'j', '269', 'e', '213', '273']
[EX A]:
1, 2, 3, 5, 6, 7, 9