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