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