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