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