a-ha aaaa aaac aaah aaar aaas aaca aacc aach aacr aacs aaha aahs aara aarc aars aasa aasc aass acaa acac acar acas acca accc acch accs acha achh achr achs acr- acra acrc acrr acrs acsa acsc acss ahac ahah ahar ahas ahha ahhs ahra ahrc ahrr ahrs ahsa ahss arac arah arar aras arc- arca arch arcs arh- arhs arr- arra arrc arrh arrr arrs ars- arsa arsc asaa asac asah asar asas asc- asca ascc asch ascr asha ashs asra asrc asrs assa assc assh assr asss caaa caac caah caas cac- caca cacc cach cacr caha cahs cara carc carr cars casa casc cash casr cass ccaa ccac ccar ccas ccca cccc cccs ccha cchr cchs ccra ccrc ccrs ccsa ccss chaa chac chah char chas chca chch chcs chha chhs chra chrc chrr chrs chsc chsh chsr crac crar cras crca crcc crcr crhs crsa crss csaa csac csar csas cscc csch cscr cscs cshs csra csrc csrs cssa cssr haar haas hacs haha hahs hara harc harh harr hars hasa hasc hash hass hcca hccc hcch hccs hchs hcsa hcsc hcss hhaa hhhh hhhs hrac hras hrhs hrrc hsac hsas hscc hshs raas rac- raca racc rach racs raha rahr rahs rara rars rasa rasc rash rass rcac rcas rccc rccs rchs rcsa rcsc rcss rhhs rrah rras rrhs rrrr rsaa rscc rsch rscs rshs rssa sa-c saac saah saar saas saca sacc sacr sacs saha sahr sahs sara sarc sarh sarr sars sasa sasc sash sass scaa scac scar scas sccc sccs sch- scha schh schr schs scr- scra scrc scrs scsa scsc scsh scsr shac shah shar shas shca shcc shha shhh shhs shrs shsc sras srcc srch srhs ssaa ssac ssas ssca sscc sscs sshs ssra ssrc ssrs sssa sssc sssh ssss