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.

[Q]: ['m', '107']
[A]: 0, 1, 7


[Q]: ['479', '381', '61', '307', 'w', 'd', '493', 'q', 'h', '373', '217', 't', '57', 'j']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['j', 'g', 'o', '103', 'a', '271', '331']
[A]:
0, 1, 2, 3, 7