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