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