Options -MultiViews
RewriteEngine On

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_URI} !(/$|.)
RewriteRule (.*) %{REQUEST_URI}/ [R=301,L]
RewriteRule ^/?(.*) (.*)$ /$1-$2  [R=301,L]

RewriteEngine Off

RewriteRule ^admin/$ admin/index.php             [QSA,L]

RewriteEngine Off
RewriteEngine On