/etc/Crack/rules.perm1 is in crack-common 5.0a-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8
/asa2l /asa4l /ese3l /hsh4l /isi1l /lsl1l /oso0l /sss$l