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: ['f', '73', 'k', '333', '345', 'e', 'x', 'j']

A: 3, 4, 5, 7
****
Q: ['z', '143', 'o', '365', 'g', 'h', 'y', 'p', 'j']

A: 1, 3, 4, 5, 6
****
Q: ['j', '149', 'i', 'd', '139', '159', 'o']

A:
1, 3, 4, 5, 9
****