RewriteRule ^([a-z_]+)$ /handlers/h-$0.php [L]
RewriteRule ^([a-z-_]+)$ /handlers/h-$0.php [L]
RewriteRule ^([a-z_]+)$ /handlers/h-$0.php [L]
RewriteRule ^([a-z_]+)$ /handlers/h-$0.php [L]
RewriteRule ^unit_pay/?$ h-unit_pay.php [L,QSA]
RewriteRule ^([a-z_]+)$ handlers/h-$0.php [L]