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