No 'letter' ends with an 'e', maybe you mean 'a word ending with e'? :)
envelope
Which should come next at the end of this row of letters? E I L
Brunei
Stephaneee
The states that are four letters are Iowa, Ohio,and Utah none of those end in E, The only states that end in E are Delaware, Maine, New Hampshire and Tennessee.
Delaware and Maine end with e. New Hampshire and Tennessee end with e.
Postal service
N
There are several animals whose names are five letters long and end in an "e". Some of them are listed here.AnodeCraneEagleFlukeGeeseGooseGrebeHorseLouseMooseMousePeweeSableSkateWhale
jubilee justice
louse
E. M. Forster in Howard's End
There are currently 0 United Nations-recognised sovereign states that end in the letters "ie" in that order. Brunei, a small Islamic nation of the South-East-Asian island of Borneo, is the only country to end with the letters "i e" in any order.