I present, a sorted list:
--
-
-
.
_
1
2
a
b
.-
-.
.
..
._
.1
.2
.a
.b
_-
-_
_
_.
__
_1
_2
_a
_b
1-
-1
1
1.
1_
1a
1b
2-
-2
2
2.
2_
2a
2b
11
12
21
22
a-
-a
a
a.
a_
a1
a2
aa
ab
b-
-b
b
b.
b_
b1
b2
ba
bb
Sorted according to what order, you might say? This is how Windows sorts filenames.