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]: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']
[EX A]: 1, 2, 3, 4, 5, 7, 9

[EX Q]: ['405', 'x', '163', 'z', 'z', '261', 'o']
[EX A]: 0, 1, 2, 3, 4, 5, 6

[EX Q]: ['259', '315', '471', '269', 'o', 't', '97', 'j']
[EX A]:
1, 2, 3, 4, 5, 6, 7, 9