-ase a-be a-wa aaaa aaab aaac aaae aaap aaar aaas aaba aabb aabc aabp aabw aaca aacb aacc aace aacp aacr aacs aaea aaec aaep aaes aapa aapc aaps aara aarc aare aarp aars aasa aasc aase aass aaww abaa abab abac abae abap abar abas abaw abb- abba abbb abbe abbr abbs abca abcb abcc abcp abcr abcs abcw abec abee aber abes abpa abpc abpp abpr abps abra abrc abrs abs- absa abse absp abss absw abwa abwe abwr acaa acab acac acae acap acar acas acba acca accc acce accp accs ace- acea acec acer aces acpa acpe acpr acps acr- acra acrc acre acrr acrs acsa acsc acse acss acsw acwa acww aeac aeap aeas aebs aecb aeer aer- aera aerc aers aesc aess apac apap apar apas apaw apba apbr apbs apca apcb apcc apcr apcs apea apec apep aper apes appa appc appr apps apra aprc apre aprs apsa apse apss apwa arab arac arae arap arar aras araw arba arbe arbs arc- arca arce arcs area arec aree arep ares arew arpa arpe arps arr- arra arrc arre arrr arrs ars- arsa arsc arse arwa arwe asaa asab asac asae asap asar asas asba asc- asca ascb ascc asce ascp ascr ascw asea asec asee asep aser ases asew aspa aspc aspe aspr asps asra asrc asrs assa assc asse assp assr asss aswe awac awae awar awas awbe awe- aweb awee awer awes awpp awre awss awwa awws baaa baar baas baba babb babe babr babs bac- baca bacc bace bacs baer baes bapa bapc bape bapp baps bar- bara barb barc bare barr bars basa basc base bass baw- bawe baws bbas bbbb bbbs bbeb bbpr bbrc bbwc bbwr bbws bcaa bcap bcar bcas bcbc bcbp bcbs bcca bccc bccs bcec bcer bces bcpp bcps bcra bcrs bcsa bcsc bcss beap bear beas beaw beba bebb bebe beca becs beeb beep beer bees bera berc bere berr bers bes- besa bese bess bewa bewe bpcp bpea bprc bpsa brab brac brae bras braw brca brcb brce brcw brea breb brec bree brep brer bres brew brrr brrs brsb brsr brwe bsaa bsac bsap bsas bsaw bscp bscs bsea bseb bsec bsee bser bses bspp bspr bsra bssc bsse bwaa caaa caab caac caap caas caba cabe cabs cac- caca cacc cace cacr cacw caec caer caes capa capb capc cape capp caps cara carb carc care carp carr cars casa casb casc case casp casr cass caws cbac cbar cbbc cbbs cbca cbcc cbce cbcp cbcr cbcs cbea cbec cbee cber cbpc cbpp cbre cbsa cbsc cbse cbwa ccaa ccab ccac ccap ccar ccas ccba ccbc ccca cccb cccc cccp cccs ccee ccpa ccpe ccpp ccpr ccps ccra ccrc ccre ccrp ccrs ccsa ccsp ccss ceac cear ceas ceba cebp cebs cec- ceca cece cecp cecs ceeb ceec cees cepa cepc cepe cepp cepr ceps cer- cera cerc cere cerp cers cesa cesc cese cesp cesr cess cewa cewe cpaa cpac cpap cpas cpbc cpca cpce cpcs cpea cpeb cpep cper cppa cpps cpre cprs cpsa cpsc cpsr crab crac crap crar cras craw crbc crca crcc crce crcr cre- crea creb crec cree crep cres crew crpc crps crsa crsp crss csaa csab csac csar csas cscb cscc csce cscr cscs csea csec csee csep cser cspa cspb cspc cspe csps csra csrc csrs cssa csse cssr csws cwac cweb cwer cwrw eaba eaca eacc eaec eapc eapp eaps eara earb eare earp ears earw easa ease ebac ebba ebbc ebbr ebbs ebbw ebcc eber ebes ebsa ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce eces ecpa ecpp ecra ecrc ecrr ecsa ecsc ecse ecsp ecss ecwa eeca eecs eeea eeee eees eeps eera eerc eers eese epaa epac epas epcc epec epee eper epes eppa eppc eppp epps epra eprb eprp eprs epsa epsc epsp epss erap eras erba erbb erbe erca ercc erce ercp ereb erec erer eres erew erpa erpe erps erra errc erre errs ersa erse erws esab esac esar esas esaw esba esbs esca escb esce escr escs esea esee eser eses espa espc espe espp esps esra essa esse essp eswc esws ewer ewes ewew ewre ewsp paap paar paas paba paca pace pacs paea paec paep paer paes papa papb pape papp papr paps par- para parc pare parp parr pars pasa pasc pase pasp pass pasw pawa pawb pawe pawr paws pbac pbar pbcc pbpa pbrs pbsa pbsp pcaa pcae pcap pcas pcba pcbc pcbs pcca pccc pcce pccs pccw pcea pcep pcer pcpb pcpp pcps pcra pcrc pcre pcsa pcse peab peac peap pear peas peaw peba peca pece pecr pecs peec peep peer pees pepa pepe peps per- pera perc pere perp perr pers pesa pese pess pewe pews ppac ppap ppar ppcc ppcs pper pppa pppp ppps pprc ppss prae prar pras praw prbc prbs prca prcc prcp prcs pre- preb prec pree prep pres prew prps prrs prsa prsc prse prss psac psap psas psaw psbr psca pseb psec pspp pspr psps psrp pssa pssc psse pswa pwaa pwac pwba raab raas raba rabb rabe rabs rac- raca racc race racs raec raep raer raes rapa rapc rape rapp raps rara rarb rare rars rasa rasc rase rasp rass rawa rawe rawr raws raww rbbb rbbr rbbs rbsp rbss rcac rcas rcbc rccb rccc rccs rcep rcps rcsa rcsc rcss rcwp rea- reac reae reap rear reas reba rebb rebe rebs reca recc rece recp recr recs reeb reep rees repe repp repr reps rera rere rers resa rese resp ress rewa rewe rews rpca rpcs rpps rras rrrr rrsp rsaa rscc rscs rsee rspb rsps rsre rssa rwcs sa-c saab saac saae saap saar saas saba sabb sabc sabe sabr sabs saca sacc sace sacr sacs saeb saer saes sapa sape sapp saps sara sarc sare sarp sarr sars sasa sasc sase sass sawa sawe saws sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbsa