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