(Default) /cgi-bin/list.pl
/cgi-bin/list.pl?cat=a
/cgi-bin/list.pl?cat=b
/cgi-bin/list.pl?cat=c
/cgi-bin/list.pl?cat=i
/cgi-bin/list.pl?cat=o
/cgi-bin/list.pl?cat=p
/cgi-bin/list.pl?cat=r
/cgi-bin/list.pl?cat=s
/cgi-bin/list.pl?cat=w