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