-ase a-be aaaa aaab aaac aaae aaar aaas aaba aabb aabc aaca aacb aacc aace aacr aacs aaea aaec aaes aage aara aarc aare aars aasa aasc aase aass abaa abab abac abae abag abar abas abb- abba abbb abbe abbr abbs abca abcb abcc abcr abcs abec abee aber abes abra abrc abrs abs- absa abse abss acaa acab acac acae acag acar acas acba acca accc acce accs ace- acea acec acer aces acga acgr acgs acr- acra acrc acre acrr acrs acsa acsc acse acss aeac aeas aebs aecb aeer aega aer- aera aerc aers aesc aess agac agag agar agas agba agca agcc agce agea agee ager ages agga agge agra agre agsa agsg arab arac arae arag arar aras arba arbe arbs arc- arca arce arcs area arec aree areg ares arga argb arge args arr- arra arrc arre arrg arrr arrs ars- arsa arsc arse asaa asab asac asae asag asar asas asba asc- asca ascb ascc asce ascr asea asec asee aser ases asge asra asrc asrg asrs assa assc asse assr asss baaa baar baas baba babb babe babr babs bac- baca bacc bace bacs baer baes baga bage bagg bags bar- bara barb barc bare barg barr bars basa basc base bass bbas bbbb bbbs bbeb bbga bbrc bbrg bcaa bcar bcas bcbc bcbg bcbs bcca bccc bccs bcec bcer bces bcgs bcra bcrs bcsa bcsc bcss beag bear beas beba bebb bebe beca becs beeb beeg beer bees bega begg begs bera berc bere berg berr bers bes- besa bese bess bgca bggs brab brac brae brag bras brca brcb brce brea breb brec bree breg brer bres brrr brrs brsb brsr bsaa bsac bsas bscs bsea bseb bsec bsee bseg bser bses bsgs bsra bssc bsse caaa caab caac caas caba cabe cabg cabs cac- caca cacc cace cacr caec caer caes caga cage cagg cagr cags cara carb carc care carr cars casa casb casc case casr cass cbac cbar cbbc cbbs cbca cbcc cbce cbcr cbcs cbea cbec cbee cber cbga cbgb cbre cbsa cbsc cbse ccaa ccab ccac ccag ccar ccas ccba ccbc ccca cccb cccc cccs ccee ccga ccgc ccgs ccra ccrc ccre ccrg ccrs ccsa ccsg ccss ceac cear ceas ceba cebs cec- ceca cece cecs ceeb ceec cees cege cer- cera cerc cere cers cesa cesc cese cesg cesr cess cgac cgas cgcc cgcg cger cges cggs cgsb cgss crab crac crag crar cras crbc crca crcc crce crcr cre- crea creb crec cree creg cres crgs crsa crss csaa csab csac csar csas cscb cscc csce cscr cscs csea csec csee cser csra csrc csrs cssa csse cssr eaba eaca eacc eaec eaga eage eara earb eare ears easa ease ebac ebba ebbc ebbr ebbs ebcc eber ebes ebsa ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce eces ecgs ecra ecrc ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eega eegs eera eerc eerg eers eese egaa egae egar egas egba egbe egcc egcg egcr egea egec egee eger eggb egge eggs egra egre egsc egss eras erba erbb erbe erca ercc erce ereb erec erer eres erg- erga ergg ergs erra errc erre errs ersa erse esab esac esag esar esas esba esbs esca escb esce escr escs esea esee eser eses esra essa esse essg gaar gaas gaba gabb gabe gabr gabs gace gaea gaec gaer gaes gaga gage gagg gags gara garb gare garg garr gars gasa gasb gasc gase gasr gass gbag gbas gbbs gc-c gcaa gcbc gccc gccs gcrg gcse gcss geab gear geas geba gebe geca gece geer gees gege gegg gera gerb gere gers gesg gess gggg ggss grab grac grae gras grbr grcc grce grea greb grec gree greg gres grrr grrs grss gsab gsea gsse raab raag raas raba rabb rabe rabs rac- raca racc race racs raec raeg raer raes raga rage ragg rags rara rarb rare rars rasa rasc rase rass rbbb rbbr rbbs rbss rcac rcas rcbc rccb rccc rccs rcga rcgc rcrg rcsa rcsc rcss rea- reac reae rear reas reba rebb rebe rebs reca recc rece recr recs reeb rees rega rege regr regs rera rere rerg rers resa rese ress rgba rgbe rras rrrr rsaa rscc rscs rsee rsgb rsgc rsre rssa sa-c saab saac saae saag saar saas saba sabb sabc sabe sabr sabs saca sacc sace sacr sacs saeb saer saes saga sage sagg sags sara sarc sare sarg sarr sars sasa sasc sase sass sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbsa sbse scaa scab scac scag scar scas scba sccc scce sccs scea scec scee sceg scer scgs scr- scra scrc scre scrs scsa scsc scsr se-c se-e se-g se-s seaa seab seac sear seas seba sebe sebs sec- seca secc sece secg secr secs seea seeb seec seeg seer sees sega sege segg segs sera serb serc sere serg serr sers sesa sesc sese sess sgaa sgac sgca sgcb sgce sgcg sger sges sggg sggs sgss sras srbc srcc sreb srec sres srgb ssaa ssab ssac ssas ssbr ssca sscc ssce sscs ssec ssee sses ssgs ssra ssrc ssrg ssrs sssa sssb sssc ssss