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