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