Here are some interesting topics for the Unfindable Inquiry:
Words. Images. Sensations. (Sight/images. Sound. Taste. Smell. Touch.)
Awareness. Clarity. Confusion. Velcro.
Identification. Me. I. Observer. Doer.
Time. Past. Future. Present. (Specific objects in past, future, present.)
Fear. Hope.
World. Others. Me. Existence. Life.
Mother. Father. Brother. Partner.