config/routes/verification.rb
scope module: :verification do
resource :residence, controller: "residence", only: [:new, :create]
resource :sms, controller: "sms", only: [:new, :create, :edit, :update]
resource :verified_user, controller: "verified_user", only: [:show]
resource :email, controller: "email", only: [:new, :show, :create]
resource :letter, controller: "letter", only: [:new, :create, :show, :edit, :update]
end
resource :verification, controller: "verification", only: [:show]