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