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