Answer:
What word in the English language uses all five vowels plus Y in alphabetical order, and uses each only once?
Jack and Jill when up the hill jack fell down
Come up and let us go. Go down and here we stay.
I have a neck but no head. I have a body but no arm. I have a bottom but no leg.
When the creeper passes, all the grass kneels
Break me and I am better immediately set and harder to be broken again.