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