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