I found a few well wishes in the book "Write Your Own Egyptian Hieroglyphs", by Angela McDonald. Here are a few:
-ankh! wedja! seneb! = Life! Prosperity! Health!
-kab-ek renput neferu = May you multiply happy years!
-iu-ek men-ti mi na wenut = May you be established like the hours!
-peteri-ek nefer sedjem-ek nedjem = May you see well and hear happily!
-imi renpy-ek = May you feel young again!
-imi seneb-ek = May you be healthy!
-imi ankh-ek = May you live!
-seta-tu en-ek teka em gereh er webenet shu her shenbet-ek = May a torch be lit for you in the darkness until the sun shines on your breast!

There are a few harsh words, too. I will refrain from these, however.