-ana a-ak aaaa aaab aaac aaan aaar aaas aaba aabb aabc aaca aacb aacc aack aacn aacr aacs aaka aana aang aara aarc aars aasa aasc aass abaa abab abac abag abak aban abar abas abb- abba abbb abbr abbs abca abcb abcc abcn abcr abcs abra abrc abrs abs- absa abss acaa acab acac acag acan acar acas acba acca accc accs acga acgr acgs acks acr- acra acrc acrr acrs acsa acsc acss agac agag agan agar agas agba agca agcc agga agna agns agra agsa agsg akaa akan akar akas akca akka akna akr- akra aksa ana- anaa anab anac anag anak anan anar anas anba anbb anca ancc ang- anga angs ank- anka anna annb anns anrc ansa arab arac arag arak aran arar aras arba arbs arc- arca arcs arga argb args arka arks arna arng arnk arns arr- arra arrc arrg arrk arrr arrs ars- arsa arsc arsk asaa asab asac asag asak asan asar asas asba asc- asca ascb ascc ascr aska askr asks asnc asra asrc asrg asrs assa assc assk assn assr asss baaa baak baan baar baas baba babb babr babs bac- baca bacc back bacn bacs baga bagg bagn bags bak- baka bakr baks bana banc bang bank bann banr bans bar- bara barb barc barg bark barn barr bars basa basc bask bass bbas bbbb bbbs bbga bbng bbrc bbrg bcaa bcar bcas bcbc bcbg bcbs bcca bccc bccs bcgs bcra bcrs bcsa bcsc bcsn bcss bgan bgca bggs bnas bnrr bnss brab brac brag brak bran bras brca brcb brka brkb brna brns brrr brrs brsb brsr bsaa bsac bsas bscs bsgs bsns bsra bssc caaa caab caac caan caas caba cabg cabs cac- caca cacc cack cacr caga cagg cagn cagr cags caka cana canc cang cank cann cans cara carb carc cark carn carr cars casa casb casc cask casr cass cbac cbar cbbc cbbs cbca cbcc cbcn cbcr cbcs cbga cbgb cbka cbkg cbkn cbkr cbna cbrn cbsa cbsc cbsn ccaa ccab ccac ccag ccar ccas ccba ccbc ccbn ccca cccb cccc cccs ccga ccgc ccgs ccna ccnb ccnc ccnr ccns ccra ccrc ccrg ccrs ccsa ccsg ccsn ccss cgac cgas cgcc cgcg cggs cgns cgsb cgss ckac ckan ckbc ckck ckcs ckga ckgn cknb cknc ckns ckrc cksa cksb cnaa cnac cnag cnas cnbc cnna cnrc cnrr cnsa cnss crab crac crag cran crar cras crbc crca crcc crcr crgs crkc crna crns crsa crss csaa csab csac csak csar csas cscb cscc cscr cscs csgn cska csks csra csrc csrs cssa cssr gaar gaas gaba gabb gabr gabs gack gaga gagg gags gana ganc gang gank gann gans gara garb garg garn garr gars gasa gasb gasc gask gasr gass gbag gban gbas gbbs gc-c gcaa gcbc gccc gccs gcna gcrg gcss gggg ggrn ggss gnaa gnac gnar gnas gncc gngc gnrc gnrr grab grac gran gras grbr grcc grrr grrs grss gsab gskb kaaa kaab kaag kaak kaan kaar kaas kaba kabb kabc kabg kabr kacb kacc kacs kag- kaga kagb kagc kagg kagr kags kaka kakc kakk kakn kaks kana kanb kang kann kans kara karb karg kark karn karr kars kas- kasa kasb kasc kask kasn kasr kass kbaa kbab kbac kbak kbar kbas kbba kbbb kbbc kbbg kbbk kbbr kbbs kbca kbcb kbck kbcr kbcs kbga kbgb kbgg kbgn kbgr kbkb kbkg kbkk kbkr kbna kbng kbnn kbnr kbra kbrb kbrc kbrg kbrk kbrn kbsa kbsb kbsg kbsk kbsn kbsr kbss kcaa kcab kcac kcar kcas kcba kcbc kcbk kcbr kcbs kcca kccb kccc kcck kccr kcgc kcgr kcgs kckc kckk kckn kckr kcnb kcnr kcns kcrc kcrg kcrn kcrr kcrs kcsa kcsb kcsc kcsg kcsn kcsr kcss kgab kgac kgak kgan kgas kgba kgbb kgbc kgbn kgbr kgcb kgcc kgcn kgcr kgga kggg kggr kgks kgnb kgnc kgng kgnr kgra kgrb kgrc kgrg kgrk kgrn kgrr kgrs kgsr kkaa kkac kkag kkan kkar kkba kkbb kkbg kkbn kkbr kkbs kkcb kkck kkcn kkcr kkcs kkgb kkgr kkkk kknb kknn kkns kkrb kkrc kkrk kkrn kkrr kkrs kksa kksn kksr kkss knaa knab knac knag knan knar knas knba knbb knbc knbn knbr knca kncb knck kncn kncr knga kngn kngr knkk knnb knng knnk knnr knns knrb knrg knrk knrs knsa knsb knsc knsg knsk knsn knsr knss krab krac krag krak kran krar kras krba krbb krbg krbk krbr krca krcb krcc krcg krcn krcs krgn krgs krka krkc krkk krkn krkr krks krna krnb krng krnk krnn krrb krrc krrg krrk krrn krrr krrs krsa krsc krsk krsn krsr krss ksab ksac ksak ksan ksar ksas ksba ksbc ksbn ksbr ksbs ksca kscb ksck kscn kscr kscs ksgc ksgg ksgn ksgr kska kskb kskg kskk kskn kskr ksks ksna ksnb ksnc ksng ksnk ksnn ksnr ksns ksra ksrb ksrg ksrn ksrr ksrs kssa kssn kssr ksss naaa naab naac naag naan naar naas naba nabc nabk nabs naca nacc nack nacs naga nagc nagk nags naka naks nan- nana nanb nang nann nans nara narc narg nark narn narr nars nas- nasa nasb nasc nask nasr nass nbaa nbak nbar nbas nbbc nbca nbcc nbcs ncaa ncac ncar ncba ncbc ncbs ncca nccc nccn nccr nccs ncga ncgr ncgs ncna ncnc ncra ncrc ncsa ncsc ncss ngab ngac ngan ngas ngns ngsk ngsn nkgb nngn nnnn nnsa nnss nrab nras nrca nrcs nrna nrrc nrsa nrsc nsaa nsac nsar nsca nscc nscs nskk nsna nsnr nsra nsrc nssa nssb nssc nssr nsss raab raag raak raan raas raba rabb rabk rabs rac- raca racc rack racs raga ragg rags raka rakk rana ranc rang rank rann rans rara rarb rark rars rasa rasc rask rass rbbb rbbr rbbs rbss rcac rcas rcbc rccb rccc rccs rcga rcgc rcnr rcrg rcsa rcsc rcss rgan rgba rkss rnag rnas rnbr rncs rngs rras rrna rrrr rsaa rscc rscn rscs rsgb rsgc rsna rsnn rsnr rssa sa-c saab saac saag saak saan saar saas saba sabb sabc sabr