1
1a
1ab
1abc
1c
2
2a;2b
2c
2d
2e
3
3a;3b
3c
3d
3e
4
4a
5
5a
6
6a
7
7a
7b
7c
7d
7e
8
20
21
22
23
24
25
26
27
30aaa
31bbdx
32de
33abcd
100aaa
100bbb
101abc
102a
102ab
102abcdefg
transition_push search transition_push