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