nauty-geng(1) on Linux
The text 7a0e54b548aa, as Debian 12 (Bookworm) shipped it.
generate small graphs
Flags it lists
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-C -
-D# -
-F -
-P -
-S -
-T -
-b -
-c -
-d# -
-f -
-g -
-h -
-k -
-l -
-m -
-q -
-s -
-t -
-u -
-v