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