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: ['k', 'q', 'a', 'u', 'q']

A: -1
****
Q: ['o', '61', '475', '457', 'a', 'o', 'z', '227', '415', 'z', 'x', 'y', '73', '205', 'y']

A: 0, 1, 2, 3, 4, 5, 6, 7
****
Q: ['423', 'o', '207', '217', '319', 'o', '175', 'w', '483', '459', '223', '161']

A:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
****