a-ak a-ha aaaa aaab aaac aaah aaal aaas aaba aabb aabc aabh aabl aaca aacb aacc aach aack aacl aacs aaha aahk aahl aahs aaka aala aalc aall aals aasa aasc aass abaa abab abac abak abal abas abb- abba abbb abbs abca abcb abcc abch abcl abcs abha abhs abla abls abs- absa absl abss acaa acab acac acas acba acbl acca accc acch accs acha achh achl achs acks acla aclc acls acsa acsc acsl acss ahab ahac ahah ahal ahas ahha ahhs ahla ahsa ahss akaa akah akal akas akca akha akhs akka aksa alaa alac alak alal alas alb- alba albc albs alca alcc alcs alha alhs alk- alka alkb all- alla allh alll alls alsa alsc asaa asab asac asah asak asal asas asba asc- asca ascb ascc asch ascl asha ashk ashs aska asks asla assa assc assh assk assl asss baaa baah baak baal baas baba babb babs bac- baca bacc bach back bacs baha bahl bahs bak- baka bakh bakl baks bala balc balk ball bals basa basc bash bask bass bbas bbbb bbbs bbch bbhs bblb bbls bcaa bcas bcbc bcbs bcca bccc bccl bccs bchs bcsa bcsc bcsl bcss bhca bhcc bhhs bkhs blaa blab blac blah blak blas blhs blkb blls blss bsaa bsac bsas bscs bshs bslc bssc caaa caab caac caah caal caas caba cabs cac- caca cacc cach cack caha cahl cahs caka cala calc calk call cals casa casb casc cash cask casl cass cbac cbal cbbc cbbs cbca cbcc cbcl cbcs cbha cbhl cbhs cbka cbkl cblb cblc cbsa cbsc ccaa ccab ccac ccas ccba ccbc ccca cccb cccc cccl cccs ccha cchl cchs ccla cclc ccls ccsa ccsl ccss chaa chab chac chah chak chal chas chca chch chcs chha chhs chka chkb chks chlc chsc chsh ckac ckbc ckch ckck ckcl ckcs ckhs cksa cksb cksh cksl clab clas clhs clsa clsc csaa csab csac csak csas cscb cscc csch cscl cscs cshl cshs cska csks csla cssa haab haak haal haas haba habs hack hacs haha hahs haka hakk haks hal- hala halb halk hall hals hasa hasc hash hask hass hbbs hbhs hbss hcbc hcbs hcca hccb hccc hcch hccs hchs hcsa hcsc hcss hhaa hhcl hhhh hhhs hhla hkcc hkcl hkcs hlah hlas hlhs hlss hsac hsas hsbc hscc hshs hsls kaaa kaab kaak kaal kaas kaba kabb kabc kacb kacc kach kacl kacs kaha kahc kahl kahs kaka kakc kakh kakk kaks kala kalb kalc kalk kall kals kas- kasa kasb kasc kash kask kasl kass kbaa kbab kbac kbak kbal kbas kbba kbbb kbbc kbbk kbbl kbbs kbca kbcb kbch kbck kbcl kbcs kbhb kbhc kbhh kbhl kbhs kbkb kbkk kbkl kbla kblb kbll kbls kbsa kbsb kbsk kbss kcaa kcab kcac kcah kcal kcas kcba kcbc kcbk kcbl kcbs kcca kccb kccc kcck kccl kcha kchh kchk kchl kchs kckc kckk kckl kcla kclc kclh kclk kcll kcls kcsa kcsb kcsc kcss khab khac khak khal khas khbc khbs khca khcb khcc khch khck khcs khhk khhl khhs khka khkk khks khla khlc khll khls khsl khss kkaa kkac kkal kkba kkbb kkbl kkbs kkcb kkch kkck kkcl kkcs kkha kkhb kkhh kkhk kkkk kklb kklc kklh kkll kkls kksa kkss klaa klab klac klak klal klas klbb klbc klbl klbs klca klcb klcc klch klck klcl klcs klhb klhc klka klkc klkk klkl klks klla kllb kllc kllk klls klsa klsc ksab ksac ksah ksak ksal ksas ksba ksbc ksbh ksbl ksbs ksca kscb ksch ksck kscl kscs ksha kshb kshk kshl kshs kska kskb kskk ksks ksla kslb kslc kslk ksll kssa kssl ksss laaa laac laak laal laas laba labs laca lacc lach lack lacl lacs laha lahs laka lakh laks lala lall lasa lash lask lass lbcc lbhs lbsc lcac lcbc lcca lccc lccs lchc lchs lcls lcsc lhas lhbs lhhh lhhs lhsa lhss lkab lkal llbs llcc llcs llhs llks lllc llll lscb lscs lshs lsla lssa sa-c saab saac saah saak saal saas saba sabb sabc sabs saca sacc sack sacs saha sahk sahl sahs saka sakb sakk saks sala salc salh salk sall sals sasa sasc sash sask sasl sass sbaa sbac sbas sbbs sbca sbcc sbcs sbhc sbhk sbhs sbsa scaa scab scac scak scal scas scba sccc sccl sccs sch- scha schh schl schs sck- sckl scl- sclc sclk scls scsa scsc scsh scsl shab shac shah shak shal shas shbs shca shcc shha shhh shhs shl- shls shsc skab skac skal skhs skss slaa slab slac slak slas slcc slhs slsa slsc ssaa ssab ssac ssas ssca sscc sscs sshl sshs ssla sslc sssa sssb sssc sssh ssss