One more time. . .
No, as the efgh is not the part of the key
What about this (#4)?
The efgh is part of the #4 key. . .
awaiting for a help pls.
If you pester, you may have a much longer wait. . .
Over time, the ability to post most (if not all) of the information needed on the initial post will be gained and make getting answers quicker. Keep in mind that no one here knows the requirement until you clearly describe it.