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]: ['183', '89', '35', 'e', 'e', '499', 'e', 'u', 'y', 'o', 'f', 'l']
[EX A]: 1, 3, 4, 5, 8, 9

[EX Q]: ['497', '247', 'v', '327', '237', '257', '475', 's', '335', 'k']
[EX A]: 2, 3, 4, 5, 7, 9

[EX Q]: ['z', '339', 't', '485', '147', 'g', '447', 'f', 'w', '423', '279', '13', 'u', 'e', '53']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9