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