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