What

co za

(beginning an exclamation)

co!

(expression of surprise)

czego?!

(enquiry to what a person desires)

co

(what? (interrogative pronoun))

co

(fused relative pronoun: that which; those that; the thing(s) that)

co

(fused relative pronoun: that which; those that; the thing(s) that)

to

(fused relative pronoun: that which; those that; the thing(s) that)