The    SHLXFHC    XJSXZ e J t   FO  

the   ZFT   XJ   the    JXT ht – t XP e

Now the last hyphenated word is starting to emerge. Which words end in ht?

You might think of sight, might, bright – and notice that all of them end in -ight.

So we next assume that X stands for i and T stands for g, and replace them in the cipher getting to

Stage B