RewriteEngine on
RewriteBase /ism/
RewriteRule ^index.html$ index.php [NC,L]
RewriteRule ^new.html$ index.php?act=new [NC,L]
RewriteRule ^top.html$ top.php [NC,L]
RewriteRule ^letters/([^/]*)$ index.php?i=letters/$1 [NC,L]
RewriteRule ^name/([^/]*)$ index.php?i=name/$1 [NC,L]
RewriteRule ^search/([^/]*)$ index.php?i=search/$1 [NC,L]
RewriteRule ^search/([^/]*)$ index.php?q=$1 [NC,L]