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


question:
['v', '351', 's', 'f', 'd', '137', '11', '355', '345', 'm', 's', '165', '97', '225']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['73', '107', 'w', '477', '397', '433']
answer:

0, 1, 3, 4, 7, 9