a-ha aaaa aaac aaah aaas aaca aacc aach aacs aaha aahs aasa aasc aass acaa acac acas acca accc acch accs acha achh achs acsa acsc acss ahac ahah ahas ahha ahhs ahsa ahss asaa asac asah asas asc- asca ascc asch asha ashs assa assc assh asss caaa caac caah caas cac- caca cacc cach caha cahs casa casc cash cass ccaa ccac ccas ccca cccc cccs ccha cchs ccsa ccss chaa chac chah chas chca chch chcs chha chhs chsc chsh csaa csac csas cscc csch cscs cshs cssa haas hacs haha hahs hasa hasc hash hass hcca hccc hcch hccs hchs hcsa hcsc hcss hhaa hhhh hhhs hsac hsas hscc hshs sa-c saac saah saas saca sacc sacs saha sahs sasa sasc sash sass scaa scac scas sccc sccs sch- scha schh schs scsa scsc scsh shac shah shas shca shcc shha shhh shhs shsc ssaa ssac ssas ssca sscc sscs sshs sssa sssc sssh ssss