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