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