Xiaoping xeroxed a photo of a xenophobic Xhosa. 

X chromosomes exist exclusively in human cells. 

Xiphophylous, xenopteri and xylolis mean nothing. 

Xenophobic people have xenophobic extra fears. 

Xerxes expected extremists to play the xylophone. 

Xanadu exists in extremely extravagant expressions. 

Xmas executers expected an experimental Xmas. 
