Merge/Recover data from delta.vmdk

Hi,

I cancelled in the middle of snapshot deleting process all the snapshot configuration file deleted. I able up the vm but the data's are available before the snapshot date. In datastore i can see delta & snapshot files how merge/recover data from delta.vmdk.

WHMSG.vmdk

WHMSG-flat.vmdk - 40GB

WHMSG_1.vmdk

WHMSG_1-flat.vmdk - 500 GB

WHMSG_1-00001-delta.vmdk - 75GB -> i want restore/merge this vmdk.

note: 2 Hard disk (40GB & 500 GB)

Pls help