Answer:
I am pronounced as one letter written with three. I come in blue black brown or grey. Reverse me and I read the same either way.
A large oasis in the desert. Come with cash and leave with none. What am I?
First I may be your servant's name. Then your desires I may proclaim. When your mortal life is over, I hold all your wealth within my power. What am I?
I am shared by goats devils and unicorns.
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I flow from the Homerβs mouth when he sees doughnuts.