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