Yook: Butter side up
Zook: Butter side down

The Yook and the Zook looked at the boy. They both had kids, their own pride and joy. Zook looked Yook, and his eyes grew large. For once, this Zook did not feel so in charge.
"Oh my gosh! I've just seen it. We are both the same," the Zook cried,"this is war, yet we've treated it like some kind of game. And this thing in my hand, it is not a toy. It can kill. It will hurt. It was made to destroy."
"What is more," said the Yook, " this weapon is new. We don't know what will happen. We don't know what it'll do."
"But what can I do with this thing is my hand?" Said Zook,"for I can't drop it onto my land."
"We must unmake them!" Said a voice from behind, " and put the pieces in places that no one will find."
The turn to see the Yook leader, coming their way, agreeing with all words he heard the men say.
"For once, we agree." Came another voiced drawl. It was the Zook leader, on his side of the wall.
The leads took the bombs and ran them back home, leaving Yook and Zook soldiers quite on there own.
" we may not be friends," the Yook's grandson spoke, " but we don't need to fight, or to hate, or to poke. We can live on in peace, we just must agree to keep or opinions kept separately."
Yook and Zook nodded. This child was bright. That sounded fair. That sounded right.
The two men shook hands, and then they returned to their shore.
From day that day on, Yook and Zook quarreled no more.