-ase a-be aaaa aaab aaac aaae aaam aaar aaas aaba aabb aabc aabm aaca aacb aacc aace aacm aacr aacs aaea aaec aaem aaes aama aamb aamc aame aamr aams aara aarc aare aarm aars aasa aasc aase aasm aass abaa abab abac abae abam abar abas abax abb- abba abbb abbe abbr abbs abca abcb abcc abcr abcs abec abee aber abes abma abmb abmc abms abra abrc abrs abs- absa abse abss acaa acab acac acae acar acas acba acca accc acce accm accs ace- acea acec acem acer aces acma acmc acme acms acr- acra acrc acre acrm acrr acrs acsa acsc acse acsm acss aeac aeas aebs aecb aeer aer- aera aerc aers aesc aess amaa amac amae amam amar amas amax amb- amba ambe ambr ambs ambx amca amcc amcs amec amee amer ames amex amm- amma amme amra amrc amsa amsc amss arab arac arae aram arar aras arax arba arbe arbs arc- arca arce arcm arcs area arec aree arem ares arex arma armc arme armm arms arr- arra arrc arre arrr arrs ars- arsa arsc arse asaa asab asac asae asam asar asas asba asbm asc- asca ascb ascc asce ascr ascx asea asec asee asem aser ases asma asme asmm asmr asms asmx asra asrc asrm asrs assa assc asse assr asss axar axce axer axes axse ba-x baaa baam baar baas baba babb babe babm babr babs bac- baca bacc bace bacs baer baes bama bamb bamc bame bamm bams bar- bara barb barc bare barm barr bars barx basa basc base bass bbas bbbb bbbs bbcm bbeb bbrc bcaa bcam bcar bcas bcbc bcbs bcca bccc bccm bccs bcec bcer bces bcma bcms bcra bcrs bcsa bcsc bcsm bcss beam bear beas beba bebb bebe beca becs beeb beem beer bees bema beme bera berc bere berm berr bers bes- besa bese besm bess bmaa bmce brab brac brae bram bras brax brca brcb brce brea breb brec bree brem brer bres brex brmc brrm brrr brrs brsb brsr bsaa bsac bsam bsas bscs bsea bseb bsec bsee bser bses bsms bsra bsrm bssc bsse bssm caaa caab caac caam caas caba cabe cabs cac- caca cacc cace cacm cacr caec caem caer caes caex cama camb camc came camm cams camx cara carb carc care carm carr cars carx casa casb casc case casm casr cass caxa cbac cbar cbax cbbc cbbs cbca cbcc cbce cbcm cbcr cbcs cbea cbec cbee cber cbme cbms cbre cbrm cbsa cbsc cbse cbsm cbxa ccaa ccab ccac ccam ccar ccas ccba ccbc ccca cccb cccc cccm cccs ccee ccma ccmb ccmc ccmm ccms ccra ccrc ccre ccrs ccsa ccss ceac cear ceas ceba cebs cec- ceca cece cecm cecs ceeb ceec ceem cees cema cemb ceme cemm cemr cems cer- cera cerc cere cers cesa cesc cese cesr cess cexe cmaa cmac cmas cmax cmba cmbc cmbs cmbx cmcc cmcs cmea cmec cmes cmmb cmmc cmms cmra cmrr cmrs cmsa cmsc cmse crab crac cram crar cras crax crbc crca crcc crce crcr cre- crea creb crec cree crem cres crex crmb crms crsa crss csaa csab csac csar csas csbm cscb cscc csce cscr cscs csea csec csee csem cser csma csmc csra csrc csrs cssa csse cssm cssr cxxx eaba eaca eacc eaec eama eame eams eara earb eare ears easa ease ebac ebam ebba ebbc ebbr ebbs ebcc eber ebes ebsa ecaa ecac ecam ecar ecbc ecbe ecca eccb eccc ecce eccm ecem eces ecma ecra ecrc ecrm ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eems eera eerc eers eese emac emae emam emar emas emax emba embe embr embs emcc emcs emer emes emex emma emme emms emra emre emrs emsa emse er-x eram eras erba erbb erbe erca ercc erce ereb erec erem erer eres erma ermc erme erms erra errc erre errs ersa erse esab esac esam esar esas esba esbs esca escb esce escm escr escs esea esee esem eser eses esma esme esmr esra essa esse exa- exam exec exer exes exmr exrx maaa maac maam maar maas maba mabe mabs mac- maca macb macc mace macr macs macx maee maem maer maes mama mamc mame mams mar- mara marc mare marm marr mars marx masa masc mase masr mass maxx mbac mbam mbas mbba mbbs mbca mbcs mbes mbms mbrs mcaa mcac mcas mcba mcbc mcca mccc mccx mces mcmc mcmx mcrc mcsa mcse mcss mcxc mear meas mebe mec- meca mecc mece mecr mecs meem meer mees mema memc meme memr mems memx mer- mera merb merc mere merm mers mes- mesa mesc mese mesr mess mexx mmaa mmab mmac mmar mmas mmcc mmcm mmcs mmcx mmea mmes mmmc mmmm mmms mmrc mmsc mmse mmxx mr-c mrac mras mrbb mrbm mrbs mrca mrcb mrcc mrce mrcs mreb mree mres mrmc mrrc mrsa mrsc mrse msaa msar msas msba msca mscc msce msea msec msee msem msex msma msmb msmc msmm msms msra msrb mssa mssm mssr raab raam raas raba rabb rabe rabs rac- raca racc race racs raec raer raes rama ramb rame ramm rams rara rarb rare rars rasa rasc rase rasm rass raxa rbbb rbbr rbbs rbms rbmx rbss rcac rcas rcbc rccb rccc rccs rcms rcsa rcsc rcss rea- reac reae ream rear reas reba rebb rebe rebs reca recc rece recm recr recs reeb reem rees rema reme rems rera rere rers resa rese ress rexx rmas rmbs rmsc rras rrmc rrrr rsaa rscc rscs rsee rsma rsme rsmx rsre rssa rxes sa-c sa-x saab saac saae saam saar saas saba sabb sabc sabe sabr sabs saca sacc sace sacr sacs saeb saer saes saex sam- sama samc same samm sams sara sarc sare sarm sarr sars sasa sasc sase sasm sass saxa saxe sbaa sbac sbar sbas sbbs sbca sbcc sbcs sber sbma sbmc sbsa sbse scaa scab scac scam scar scas scba sccc scce sccm sccs scea scec scee scer scma