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