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