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