a-ak a-ha aaaa aaac aaah aaas aaca aacc aach aack aacs aaha aahk aahs aaka aasa aasc aass acaa acac acas acca accc acch accs acha achh achs acks acsa acsc acss ahac ahah ahas ahha ahhs ahsa ahss akaa akah akas akca akha akhs akka aksa asaa asac asah asak asas asc- asca ascc asch asha ashk ashs aska asks assa assc assh assk asss caaa caac caah caas cac- caca cacc cach cack caha cahs caka casa casc cash cask cass ccaa ccac ccas ccca cccc cccs ccha cchs ccsa ccss chaa chac chah chak chas chca chch chcs chha chhs chka chks chsc chsh ckac ckch ckck ckcs ckhs cksa cksh csaa csac csak csas cscc csch cscs cshs cska csks cssa haak haas hack hacs haha hahs haka hakk haks hasa hasc hash hask hass hcca hccc hcch hccs hchs hcsa hcsc hcss hhaa hhhh hhhs hkcc hkcs hsac hsas hscc hshs kaaa kaak kaas kacc kach kacs kaha kahc kahs kaka kakc kakh kakk kaks kas- kasa kasc kash kask kass kcaa kcac kcah kcas kcca kccc kcck kcha kchh kchk kchs kckc kckk kcsa kcsc kcss khac khak khas khca khcc khch khck khcs khhk khhs khka khkk khks khss kkaa kkac kkch kkck kkcs kkha kkhh kkhk kkkk kksa kkss ksac ksah ksak ksas ksca ksch ksck kscs ksha kshk kshs kska kskk ksks kssa ksss sa-c saac saah saak saas saca sacc sack sacs saha sahk sahs saka sakk saks sasa sasc sash sask sass scaa scac scak scas sccc sccs sch- scha schh schs sck- scsa scsc scsh shac shah shak shas shca shcc shha shhh shhs shsc skac skhs skss ssaa ssac ssas ssca sscc sscs sshs sssa sssc sssh ssss