Me and Daddy for a walk

Dad and son taking a walk ... only this time 17 months old son is breaking the ice :-) Snippets of the conversation is below.
Son: "Appa ... kutter kutter kutter ..."
Dad: "Hmm Hmm"
Son: "Da Da Dah ... Dish Dish ... "
Dad: "You want dish?"
Son: "Tho Thooo... "
Dad: "Hmmmm ... Tho Thooo!"