-vac a-ha aaaa aaac aaah aaas aaav aaca aacc aach aacs aacv aaha aahs aasa aasc aass aava acaa acac acas acca accc acch accs acha achh achs acsa acsc acss acvs acvv ahac ahah ahas ahha ahhs ahsa ahss ahva asaa asac asah asas asc- asca ascc asch asha ashs assa assc assh asss asva asvs avas avcc avhs avva caaa caac caah caas cac- caca cacc cach caha cahs casa casc cash cass cava cavs ccaa ccac ccas ccca cccc cccs cccv ccha cchs ccsa ccss ccvs chaa chac chah chas chav chca chch chcs chha chhs chsc chsh csaa csac csas csav cscc csch cscs cshs cssa cvac cvas cvca cvcc cvhs cvss haas hacs haha hahs hasa hasc hash hass hava hcca hccc hcch hccs hchs hcsa hcsc hcss hhaa hhhh hhhs hsac hsas hscc hshs hvac hvcc hvhs hvsc sa-c saac saah saas saca sacc sacs saha sahs sasa sasc sash sass sava savs scaa scac scas sccc sccs sch- scha schh schs scsa scsc scsh shac shah shas shav shca shcc shha shhh shhs shsc shva shvc ssaa ssac ssas ssca sscc sscs sshs sssa sssc sssh ssss svcc svcs svhs svsc vaas vaca vach vacs vahs vas- vasa vash vass vava vavs vhhh vhhs vshs vssc vvhs vvvv