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