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