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