The zookeeper neeeded to purchase some new animals, so he started composing a letter:

“To whom it may concern, I need two mongeese.” That doesn’t look right. Too bad I don’t have a dictionary, thought the zookeeper.

So he started over: “To whom it may concern, I need two mongooses.” That doesn’t look right either, he thought.

Finally he go an idea: “To whom it may concern, I need a mongoose. And while you’re at it, make it two.