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