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