1. Primary

    Primary

    Primary

    1. Secondary

      1. Tertiary

      2. Tertiary

        1. Quaternary

        2. Quaternary

          1. Quinary
          2. Quinary
            1. Senary
        3. Quaternary

      3. Tertiary

    2. Secondary

      1. Tertiary

      2. Tertiary

        1. Quaternary

        2. Quaternary

        3. Quaternary

    3. Secondary

      1. Tertiary

        1. Quaternary

          1. Quinary
            1. Senary
            2. Senary
          2. Quinary
      2. Tertiary

      3. Tertiary

    4. Secondary

      1. Tertiary

      2. Tertiary

      3. Tertiary

        1. Quaternary

        2. Quaternary

      4. Tertiary

      5. Tertiary