What are the words on?
The words are on the surfboard.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    3
2     0   to the left of    1
3     1  to the right of    0
4     1   to the left of    4
5     1   to the left of    3
6     3  to the right of    1
7     3  to the right of   11
8     3  to the right of    0
9     4   to the left of    7
10    4   to the left of   12
11    4   to the left of    9
12    4  to the right of    0
13    4  to the right of    6
14    4  to the right of   11
15    4  to the right of    1
16    4   to the left of    5
17    5  to the right of   11
18    5  to the right of    4
19    6   to the left of    4
20    7  to the right of    4
21    8   to the left of    9
22    9  to the right of    4
23    9  to the right of    8
24   10               on    2
25   11   to the left of   12
26   11   to the left of    5
27   11   to the left of    3
28   11   to the left of    4
29   12  to the right of   11
30   12  to the right of    4