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