'this is a test'
'dGhpcyBpcyBhIHRlc3Q='
'this is a test'
a b c d e f
b d a c e f
a b c d e f
a b c d e f
f e d c b a
1: a
2: b
4: c
8: d
10: e
20: f
3: a b
5: a c
6: b c
9: a d
a: b d
c: c d
11: a e
12: b e
14: c e
18: d e
21: a f
22: b f
24: c f
28: d f
30: e f
7: a b c
b: a b d
d: a c d
e: b c d
13: a b e
15: a c e
16: b c e
19: a d e
1a: b d e
1c: c d e
23: a b f
25: a c f
26: b c f
29: a d f
2a: b d f
2c: c d f
31: a e f
32: b e f
34: c e f
38: d e f
f: a b c d
17: a b c e
1b: a b d e
1d: a c d e
1e: b c d e
27: a b c f
2b: a b d f
2d: a c d f
2e: b c d f
33: a b e f
35: a c e f
36: b c e f
39: a d e f
3a: b d e f
3c: c d e f
1f: a b c d e
2f: a b c d f
37: a b c e f
3b: a b d e f
3d: a c d e f
3e: b c d e f
3f: a b c d e f
test -|- PUNCT -|- wordchar -|- tokenizer -|- PUNCT -|- does -|- it -|- work