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