use of pronominal adverbs on AM portion of the exam

CFA Level III
#1

Can I use words like hereafter, therewith, whenceforward, hereinbefore, therebetween, etc.?

#2

You evidently can, but it may not be your best interest, thenceforwardly speaking.

#3

What if I rephrase my original question to “May I use such words like mentioned above?”

#4

Of course you may.

But doing so might be a bad idea.

#5

Thanks, I have decided I will not use them unless absolutely necessary.