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