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