Safety, Pharmacokinetics and Pharmacodynamics of Two IDegAsp (One Explorative) Preparations and Two Insulin Degludec (One Explorative) Preparations in Japanese Subjects

Inclusion Criteria: * Healthy Japanese male subjects * Body mass index (BMI) between 18.0 and 27.0 kg/m\^2 (both inclusive) * Body weight above or equal to 50 kg Exclusion Criteria: * The receipt of any investigational drug within 16 weeks prior to this trial (the planned first dosing) * Any clinical laboratory values deviated from the reference range at the laboratory (except for cases within physiological change) or any abnormal electrocardiogram (ECG) findings at the screening, as judged by the investigator or sub-investigator * Known or suspected allergy to trial product(s) or related products