RewriteEngine On
RewriteBase /
RewriteRule ([a-z0-9]+-[a-z0-9\-]+\/)$ index.php?$1
RewriteRule (dp\-+[a-z0-9\-]+\.html)$ index.php?$1
RewriteRule (pagetype\-+[a-z0-9\-]+\.html)$ index.php?$1