Guess the missing item from this list: δ-1, β-8, α-2, γ-3, β-9, γ-4, γ-2, β-2, β-3, β-6, γ-1, γ-5, α-0, γ-6, γ-0, β-5, α-5, β-0, δ-0, β-1, γ-9, α-8, α-9, β-4, α-6, α-3, γ-7, β-7, α-7, γ-8, α-4, δ-2.
Directly answer with only one item. Item format should match the list format. Provide no explanation. Answer format: "{item}."