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