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