a-ak a-ha aaaa aaab aaac aaad aaah aaar aaas aaba aabb aabc aabd aabh aaca aacb aacc aacd aach aack aacr aacs aada aadc aads aaha aahk aahs aaka aara aarc aard aars aasa aasc aasd aass abaa abab abac abad abak abar abas abb- abba abbb abbr abbs abca abcb abcc abcd abch abcr abcs abda abha abhr abhs abra abrc abrs abs- absa absd abss acaa acab acac acad acar acas acba acca accc accd acch accs acda acdb acdc acds acha achh achr achs ackd acks acr- acra acrc acrr acrs acsa acsc acsd acss adaa adab adac adad adah adak adar adas adba adbc adcc adcs adda addc addd addr adds adha adhd adhs adra adrs adsa adsr adss ahab ahac ahad ahah ahar ahas ahha ahhs ahra ahrc ahrr ahrs ahsa ahss akaa akah akar akas akca akha akhs akka akr- akra aksa arab arac arad arah arak arar aras arba arbh arbs arc- arca arch arcs arda ardc ards arh- arhs arka arkh arks arr- arra arrc arrh arrk arrr arrs ars- arsa arsc arsd arsk asaa asab asac asad asah asak asar asas asba asc- asca ascb ascc asch ascr asda asds asha ashk ashs aska askr asks asra asrc asrs assa assc assd assh assk assr asss baaa baad baah baak baar baas baba babb babr babs bac- baca bacc bach back bacs bada badb badd badh badr bads baha bahr bahs bak- baka bakh bakr baks bar- bara barb barc bard barh bark barr bars basa basc bash bask bass bbad bbas bbbb bbbs bbch bbdd bbhs bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcda bcds bchd bchs bcra bcrs bcsa bcsc bcss bd-r bdbc bddc bddh bdhs bdsd bhar bhca bhcc bhhs bhra bkhs brab brac brad brah brak bras brca brcb brda brds brhs brka brkb brrr brrs brsb brsr bsaa bsac bsas bsbd bscs bshs bsra bsrd bssc bssd c-cd caaa caab caac caah caas caba cabs cac- caca cacc cach cack cacr cada cadc cadd cadr cads caha cahs caka cara carb carc card cark carr cars casa casb casc casd cash cask casr cass cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbdb cbdc cbds cbha cbhs cbka cbkr cbrd cbrh cbsa cbsc ccaa ccab ccac ccad ccar ccas ccba ccbc ccca cccb cccc cccs ccdc ccdh ccdr ccds ccha cchr cchs ccra ccrc ccrs ccsa ccsd ccss cd-r cdaa cdac cdad cdba cdcs cdda cddb cddr cdhs cdrs cdss chaa chab chac chad chah chak char chas chca chch chcs chha chhs chka chkb chks chra chrb chrc chrd chrr chrs chsc chsh chsr ckac ckbc ckch ckck ckcs ckhs ckrc ckrd cksa cksb cksh crab crac crar cras crbc crca crcc crcr crda crdc crhs crkc crsa crss csaa csab csac csak csar csas cscb cscc cscd csch cscr cscs csda csdb csdr cshs cska csks csra csrc csrd csrs cssa cssd cssr daab daad daar daas daba dabb dabs daca dacs dada dads daha dahs daka daks dara darb darc dard dark darr dars dasa dasb dasc dasd dash dask dass dbar dbas dbcc dbcs dbhs dbrs dbsa dbss dcas dcbc dcca dccb dccc dccs dcdb dcds dchs dcra dcrk dcsc dcss dddd ddrc ddss dhaa dhad dhak dhar dhsa dkba dkdc dksh draa drab drac drad drak drar dras drba drbc drca drda drhs drra drrs drsa dsac dsba dsbc dscc dsch dscr dscs dsda dsdr dshk dshs dsrc dsrr dssa dssc haab haad haak haar haas haba habs hack hacs hada hadh haha hahs haka hakk haks hara harc hard harh hark harr hars hasa hasc hasd hash hask hass hbar hbbs hbcd hbds hbhs hbrs hbss hcbc hcbs hcca hccb hccc hcch hccs hcdr hchs hcrd hcsa hcsc hcss hdbk hdca hdda hdhs hdra hdss hhaa hhds hhhh hhhs hkcc hkcs hrac hrad hras hrdc hrhs hrrc hsac hsad hsas hsbc hscc hshs kaaa kaab kaak kaar kaas kaba kabb kabc kabd kabr kacb kacc kacd kach kacs kad- kada kadd kadr kads kaha kahc kahr kahs kaka kakc kakh kakk kaks kara karb kard kark karr kars kas- kasa kasb kasc kash kask kasr kass kbaa kbab kbac kbad kbak kbar kbas kbba kbbb kbbc kbbd kbbk kbbr kbbs kbca kbcb kbch kbck kbcr kbcs kbdb kbdr kbds kbhb kbhc kbhh kbhr kbhs kbkb kbkk kbkr kbra kbrb kbrc kbrd kbrh kbrk kbsa kbsb kbsk kbsr kbss kcaa kcab kcac kcad kcah kcar kcas kcba kcbc kcbd kcbk kcbr kcbs kcca kccb kccc kccd kcck kccr kcda kcdc kcdd kcdr kcds kcha kchh kchk kchr kchs kckc kckk kckr kcrc kcrh kcrr kcrs kcsa kcsb kcsc kcsd kcsr kcss kdaa kdab kdac kdad kdak kdar kdbb kdbr kdbs kdca kdcc kdcd kdcr kddb kddc kddd kddk kddr kdka kdkb kdkd kdkk kdkr kdrb kdrs kdsc kdsd kdsk kdsr kdss khab khac khad khak khar khas khbc khbd khbr khbs khca khcb khcc khch khck khcs khdc khdk khdr khhk khhs khka khkk khkr khks khra khrd khrk khrr khss kkaa kkac kkar kkba kkbb kkbd kkbr kkbs kkcb kkcd kkch kkck kkcr kkcs kkda kkdc kkdd kkha kkhb kkhh kkhk kkhr kkkk kkrb kkrc kkrh kkrk kkrr kkrs kksa kksd kksr kkss krab krac krad krah krak krar kras krba krbb krbd krbk krbr krca krcb krcc krcd krch krcs krda krdc krdd krdr krds krhc krhs krka krkc krkd krkh krkk krkr krks krrb krrc krrk krrr krrs krsa krsc krsd krsh krsk krsr krss ksab ksac ksah ksak ksar ksas ksba ksbc ksbh ksbr ksbs ksca kscb ksch ksck kscr kscs ksdc ksdk ksdr ksds ksha kshb kshd kshk kshr kshs kska kskb kskd kskk kskr ksks ksra ksrb ksrh ksrr ksrs kssa kssr ksss raab raad raak raas raba rabb rabk rabs rac- raca racc rach rack racs rada radc radd radh radr rads raha rahr rahs raka rakk rara rarb rark rars rasa rasc rasd rash rask rass rbbb rbbr rbbs rbds rbhs