asco
                                  asco-oa
                                  asco-oa
                                  asco-oas
                                   asco-oa
                                    asco-o
                                    asco-o
                                    asco-o
                                    asco-
                                    asco-
                    asco             asco       asco-
                    asco-oa          asco-oasco-oasco-
                    asco-oa          asco-oasco-oasco-
                    asco-oa          asco-oasco-oasco-
                    asco-oa          asco-oasco-oasco
                     asco-o          asco-oasco-
                     asco-o          asco
                     asco-o          asco
                      asco-          asco
                      asco-          asco
                      asco-          asco
                      asco-          asco
                      asco-          asco       asco-oasco-oasco
                      asco-          asco asco-oasco-oasco-oasco-
                      asco-          asco-oasco-oasco-oasco-oasco
                      asco-oasco-oasco-oasco-oasco-oasco-oasco-oas
                   asco-oasco-oasco-oasco-oasco-oasco-oasco-oasco-
          asco-oasco-oasco-oasco-oasco-oasco-            asco-oasc
      asco-oasco-oasco-oasco-oasco-oasco-
      asco-oasco-oasco-oasco        asco-
      asco-oasco-oasco-             asco-
       asco-oasco                   asco-