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