请英语高手列举几个含Z的和含X的英语绕口令，急需，谢谢

玛丽雅凯利的《I still believe》,<one sweet day> (跟一个男孩团体和唱的)
Christina Aguirela<genie in the bottle>
<reflection>,还有红磨坊的主题曲，跟Pink她们
合唱的
She sells sea shells on the seashore.
The shells she sells are seashells,I an sure,
For if she sells seashells on the seashore,
Then I'm sure she sells seashore shells.

Robert Rolly rolled a round roll round.
If Robert Rolly rolled a round roll round.
Where is the roued roll
Robert Rllly rolled arouned?

"How much wood would a woodchuck chuck if a woodchuck could chuck wood？"

Little Lily and little Nelly are writing letters.
Let's leave little Nelly and little Lily alone.

A big black bug bit the back of a big black bear.
The big black bear bit back the big black bug.