I am learning Oo. I am learning Oo. Hi ho the derry O. I am learning Oo. Octopus begins with Oo. Octopus begins with Oo. Hi ho the derry O. Octopus begins with Oo. Ostrich begins with Oo. Ostrich begins with Oo. Hi ho the derry O. Ostrich begins with Oo. Otter begins with Oo. Otter begins with Oo. Hi ho the derry O. Otter begins with Oo. Ox begins with Oo. Ox begins with Oo. Hi ho the derry O. Ox begins with Oo. October begins with Oo. October begins with Oo. Hi ho the derry O. October begins with Oo