Answer:
My first is in riddle but not in little. My second is in think but not in brink. My third is in thyme but not in time. My fourth is in mother but not in brother. My last is in time but no t in climb.
I am a kind of coat that can only be put on when wet.
The more you take, the more you leave behind. What are they?
I go inside boots and outside shoes. What am I?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
I flow from the Homerβs mouth when he sees doughnuts.