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