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