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