a-ha aaaa aaac aaah aaar aaas aaca aacc aach aaco aacr aacs aaha aahs aaoo aara aarc aaro aars aasa aasc aass acaa acac acar acas acca accc acch acco accs acha achh acho achr achs acoa acoh acor acos acr- acra acrc acro acrr acrs acsa acsc acss ahac ahah ahar ahas ahha ahhs ahoa ahor ahra ahrc ahrr ahrs ahsa ahso ahss aoah aoca aocs aora aors aoss arac arah arar aras arc- arca arch arco arcs arh- arhs aroa aroo aror aros arr- arra arrc arrh arro arrr arrs ars- arsa arsc arso asaa asac asah asao asar asas asc- asca ascc asch asco ascr asha ashs asoc asor asos asra asrc asro asrs assa assc assh asso assr asss caaa caac caah caas cac- caca cacc cach caco cacr caha cahs caor caos cara carc caro carr cars casa casc cash caso casr cass ccaa ccac ccar ccas ccca cccc cccs ccha cchr cchs ccoc ccra ccrc ccrs ccsa ccss chaa chac chah chao char chas chca chch chcs chha chhs choc choh choo chor chos chra chrc chro chrr chrs chsc chsh chsr coas coca coch coco coha coho cohs cooh coos cor- cora corc coro corr cors cosa cosc cosh coso coss crac crar cras crca crcc crcr crhs croc croh croo cror crsa crss csaa csac csao csar csas cscc csch csco cscr cscs cshs csor csos csra csrc csrs cssa cssr haar haas haco hacs haha haho hahs haor hara harc harh haro harr hars hasa hasc hash hass hcca hccc hcch hccs hchs hcsa hcsc hcso hcss hhaa hhhh hhhs hoac hoar hoas hoca hoch hocr hocs hoha hoho hoor hoos hora horc horo horr hors hosa hosh hoss hrac hras hrhs hros hrrc hrso hsac hsas hscc hshs oahs oara oars oasc oass ocac ocas occa occc ocha ochs ocos ocra ocro ocrr ocrs ocsa ohcc ohho ohhs ohoh ohos ohra ohso ohss ooaa oocr ooha ooho oohs oooh oooo ooos oora oosa orac orah orao orar oras orca orch orco orcs orhs oro- oror oros orra orro orrs orsa orso osar osas osca oscc osco osha oshc osho oshs osoo osor osos osro ossa osso raas rac- raca racc rach raco racs raha rahr rahs raoc raoh raos rara raro rars rasa rasc rash raso rass rcac rcas rccc rccs rchs rcos rcsa rcsc rcss rhhs rhoa rhoc rhoh rhos roar roas roca rocc roch roco rocs roha rohr rohs roor roos rora rorc roro rosa rosc rosh roso ross rrah rras rrhs rrrr rsaa rscc rsch rscs rshs rsos rssa s-os sa-c saac saah saar saas saca sacc saco sacr sacs saha saho sahr sahs saor saos sara sarc sarh saro sarr sars sasa sasc sash saso sass scaa scac scar scas sccc sccs sch- scha schh scho schr schs scoh scoo scor scr- scra scrc scrs scsa scsc scsh scso scsr shac shah shao shar shas shca shcc shha shhh shhs shoa shoo shor shos shrs shsc soar soas soca soch soco socr socs soha sohh soho sohs soor soos sora sorh soro sorr sors sosa sosh soso soss sras srcc srch srhs sros ssaa ssac ssao ssas ssca sscc sscs sshs ssoc ssra ssrc ssrs sssa sssc sssh ssss