-ase a-ak a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aaca aacb aacc aace aack aacr aacs aacu aaea aaec aaes aaka aake aaku aara aarc aare aars aaru aasa aasc aase aass aasu aaus abaa abab abac abae abak abar abas abau abb- abba abbb abbe abbr abbs abca abcb abcc abcr abcs abec abee aber abes abra abrc abrs abs- absa abse abss absu abua abue abuk abus acaa acab acac acae acar acas acba acca accc acce accs accu ace- acea acec acek acer aces acke acks acr- acra acrc acre acrr acrs acsa acsc acse acss acu- acue acur acus aeac aeas aebs aecb aeer aeka aer- aera aerc aers aesc aess akaa akae akar akas akca akee aker akes akeu akka akku akr- akra akre aksa aksu akua arab arac arae arak arar aras arau arba arbe arbs arc- arca arce arcs area arec aree arek ares areu arka arke arks arr- arra arrc arre arrk arrr arrs arru ars- arsa arsc arse arsk arsu arua arub arue asaa asab asac asae asak asar asas asau asba asbu asc- asca ascb ascc asce ascr asea asec asee asek aser ases aska aske askr asks asra asrc asrs asru assa assc asse assk assr asss assu asub asue asur asus auaa aube auca auce auer auke auks aur- aura aure ausa ause ausu baaa baak baar baas baba babb babe babr babs babu bac- baca bacc bace back bacs baek baer baes bak- baka bake bakr baks baku bar- bara barb barc bare bark barr bars baru basa basc base bask bass basu bau- bauk baur bbas bbau bbbb bbbs bbeb bbrc bcaa bcar bcas bcbc bcbs bcca bccc bccs bcec bcer bces bcra bcrs bcru bcsa bcsc bcss bcuc beak bear beas beau beba bebb bebe beca beck becs becu beeb beek beer bees beka beke beks bera berc bere berk berr bers beru bes- besa bese besk bess beuk beur brab brac brae brak bras brau brca brcb brce brea breb brec bree brek brer bres brka brkb brrr brrs brsb brsr bruc brue brus bsaa bsac bsas bscs bsea bseb bsec bsee bser bses bsra bssc bsse buar buba bubb bube bubs bubu buca bucc buce buck bucs bucu buea buer bueu buka buke bukk buku bur- bura burb bure burk burr burs buru busa busc buse busk buss busu buus caaa caab caac caas caba cabe cabs cabu cac- caca cacc cace cack cacr caec caer caes caeu caka cake cara carb carc care cark carr cars casa casb casc case cask casr cass casu cauc cauk caus cbac cbar cbbc cbbs cbca cbcc cbce cbcr cbcs cbcu cbea cbec cbee cber cbka cbkr cbre cbsa cbsc cbse cbus ccaa ccab ccac ccar ccas ccba ccbc ccca cccb cccc cccs cccu ccee ccra ccrc ccre ccrs ccsa ccss ccuc ccus ceac cear ceas ceba cebs cebu cec- ceca cece cecs ceeb ceec cees ceke cer- cera cerc cere cers cesa cesc cese cesr cess ckac ckbc ckbe ckck ckcs cker ckrc cksa cksb crab crac crar cras crau crbc crbu crca crcc crce crcr cre- crea creb crec cree cres creu crkc crsa crss crub crue cruk crus csaa csab csac csak csar csas cscb cscc csce cscr cscs csea csec csee cser cska csks csra csrc csrs cssa csse cssr csua csur csus cuau cub- cuba cubb cube cubs cuca cucc cuce cuck cuek cuer cues cuk- cuka cuke cura curb cure curr curs cusa cusb cusk cuss cusu eaba eaca eacc eaec eara earb eare ears easa ease eaus ebac ebba ebbc ebbr ebbs ebcc eber ebes ebru ebsa ebur ebus ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce eces ecka ecks ecra ecrc ecrr ecru ecsa ecsc ecse ecss ecsu ecua ecus eeca eecs eeea eeee eees eeka eeke eeks eera eerc eers eese eesk eka- ekab ekeb ekek eker ekes ekka ekur eras erau erba erbb erbe erca ercc erce ereb erec erer eres erke erks erra errc erre errs ersa erse erua erub eruc erur erus esab esac esar esas esau esba esbs esca escb esce escr escs escu esea esee esek eser eses eska eske esks esku esra essa esse essu esus euba eubc euer eur- eura eurc eure eusa euse kaaa kaab kaak kaar kaas kaba kabb kabc kabe kabr kabu kacb kacc kace kacs kacu kaer kaes kaka kakc kake kakk kaks kaku kara karb kare kark karr kars karu kas- kasa kasb kasc kase kask kasr kass kasu kau- kaub kauc kaue kauk kaur kaus kbaa kbab kbac kbae kbak kbar kbas kbba kbbb kbbc kbbe kbbk kbbr kbbs kbbu kbca kbcb kbce kbck kbcr kbcs kbcu kbeb kbec kbee kbek kber kbes kbkb kbkk kbkr kbra kbrb kbrc kbre kbrk kbru kbsa kbsb kbsk kbsr kbss kbsu kbua kbub kbuc kbue kbuk kbur kbus kbuu kcaa kcab kcac kcar kcas kcau kcba kcbc kcbk kcbr kcbs kcbu kcca kccb kccc kcck kccr kccu kcea kceb kcec kcee kceu kckc kckk kckr kcrc kcrr kcrs kcru kcsa kcsb kcsc kcse kcsr kcss kcsu kcua kcub kcue kcuk kea- keak kear keas keau keba kebb kebc kebe kebr kebu keca keck kecr keek keer kees keka kekb kekc keke keks keku ker- kera kerb kerc kere kerk kerr kers keru kesa kesb kesc kesk kesr kess keur keus kkaa kkac kkar kkba kkbb kkbe kkbr kkbs kkcb kkck kkcr kkcs kkea kkkk kkrb kkrc kkre kkrk kkrr kkrs kksa kkse kksr kkss kksu kkua kkus kkuu krab krac krae krak krar kras krba krbb krbe krbk krbr krca krcb krcc krce krcs krcu krea kreb krec kree krek kres kreu krka krkc krke krkk krkr krks krku krrb krrc krre krrk krrr krrs krsa krsc krse krsk krsr krss krsu krua kruc krue kruk krur ksab ksac ksak ksar ksas ksau ksba ksbc ksbr ksbs ksca kscb ksce ksck kscr kscs kscu ksea ksec ksee ksek kser kska kskb kske kskk