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