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