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