Refactor your names, too. Is it significant to the code that these are employees? If not, @names is a perfect name. @en is overshorting. @employee_names is overspecifing.
If it is significant to the code that these are empoyees you're naming, why? Does this mean that if you were dealing with customer names, the code would be completly inapproprate? Why?
Every character really does count. (Check how many different ways I've mistyped employee in this post, and how many you noticed being wrong.)
We are using here a powerful strategy of synthesis: wishful thinking. -- The Wizard Book