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