Are there any words or letters?
No, there are no words or letters.
    src        edge_attr  dst
0     1   to the left of    7
1     1   to the left of    3
2     1   to the left of    2
3     1   to the left of    6
4     1   to the left of    5
5     2   to the left of    7
6     2   to the left of    5
7     2  to the right of    1
8     3  to the right of    1
9     3  to the right of    4
10    3  to the right of   10
11    4   to the left of    5
12    4   to the left of    6
13    4   to the left of    7
14    4               in    9
15    4   to the left of    3
16    5  to the right of    4
17    5  to the right of    2
18    5  to the right of    1
19    6               in    9
20    6  to the right of   10
21    6  to the right of    4
22    6  to the right of    1
23    7  to the right of    4
24    7  to the right of    1
25    7  to the right of    2
26   10   to the left of    3
27   10   to the left of    6