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