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