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