AUPELANDA Operariorum HOPELANDA HOPERATUS OPEDERE OPELANDA OPELLA OPENTHEFT 1. OPERA 2. OPERA OPERÆ Operatio Operam Reddere. Opera Terræ 1. OPERAGIUM 2. OPERAGIUM OPERALIS. OPERAMANUS OPERARE OPERARI 1. OPERARIA 2. OPERARIA OPERARIÆ 1. OPERARIUS 2. OPERARIUS OPERATA OPERATIM OPERATIO. Operationes Terrenæ OPERATOR OPERATORIA OPERATORIUM Operatorium OPERATRIX. OPERATURA 1. OPERATUS 2. OPERATUS OPERIUS OPEROS OPEROSITAS OPEROSUS OPERSOLATIO OPERTANEUS 1. OPERTORIUM 2. OPERTORIUM OPERTORIUS OPERTUM OPERTURA OPEX. Operatio