δ-1, γ-2, η-0, β-6, γ-4, α-2, η-3, α-0, δ-4, ζ-4, δ-8, ε-8, ζ-0, β-2, δ-6, η-2, β-1, β-3, ζ-6, δ-7, ε-5, ζ-2, ε-4, β-8, γ-8, ζ-7, α-4, γ-5, ζ-1, ζ-9, β-5, δ-0, β-9, δ-3, β-0, ε-3, γ-9, γ-1, γ-3, β-4, η-4, η-1, α-9, ε-6, α-8, γ-6, α-5, ζ-3, ε-0, α-7, α-3, ε-2, ζ-8, γ-0, α-1, ε-9, γ-7, δ-2, ζ-5, δ-9, ε-1, δ-5, ε-7, α-6. Is "β-7" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."