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: ['223', '55', 'l', '461']

A: 1, 2, 3, 4, 5, 6
****
Q: ['239', '439']

A: 2, 3, 4, 9
****
Q: ['j', '73', '435', 'm', 'j', '135', '165', '257', 't', 'a']

A:
1, 2, 3, 4, 5, 6, 7
****