a-be aaaa aaab aaac aaae aaam aaap aaar aaba aabb aabc aabm aabp aabt aaca aacb aacc aace aacm aacp aacr aact aacu aaea aaec aaem aaep aama aamb aamc aame aamp aamr aapa aapc aapm aapt aara aarc aare aarm aarp aart aaru aata aatc aatt aaup abaa abab abac abae abam abap abar abat abau abb- abba abbb abbe abbr abbt abca abcb abcc abcp abcr abct abec abee aber abet abma abmb abmc abmt abpa abpc abpm abpp abpr abra abrc abta abtu abua abue abum abut ac-t acaa acab acac acae acap acar acat acba acca accc acce accm accp acct accu ace- acea acec acem acer acet acma acmc acme acmp acmu acpa acpe acpm acpr acpt acpu acr- acra acrc acre acrm acrr acta actc acte actt actu acu- acue acum acup acur acut aeac aeap aecb aect aeer aemt aer- aera aerc aeta aetc aetr aett amaa amac amae amam amap amar amat amb- amba ambe ambr ambu amca amcc amec amee amer amet ameu amm- amma amme ammu ampa ampc ampe ampm ampt amra amrc amta amtc amte amtp amua amum amur apac apam apap apar apat apba apbr apca apcb apcc apcm apcr apea apec apem apep aper apet apeu apma appa appc appr appt appu apra aprc apre aprt apta aptc apte aptt apua apuc apum apup arab arac arae aram arap arar arat arau arba arbe arc- arca arce arcm arct area arec aree arem arep aret areu arma armc arme armm armt armu arpa arpe arpu arr- arra arrc arre arrr arrt arru arta artc arte artr arua arub arue arum arup arut at-t ataa atab atac atae atap atar atat atca atcc atcr atea atec atee atem atep ater atm- atma atme atmp atmu atpr atra atrc atre atrm atrp atru atta atte attp attr attu atua atub atuc atum atur auaa aube auca auce aucp auct auer auma aupc aur- aura aure aut- aute baaa baam baar baat baba babb babe babm babr babu bac- baca bacc bace bact baer bama bamb bamc bame bamm bamp bamu bapa bapc bape bapp bapt bapu bar- bara barb barc bare barm barr bart baru bata batc bate batt batu bau- baum baur bbau bbbb bbcm bbeb bbet bbpr bbrc bcaa bcam bcap bcar bcat bcbc bcbp bcca bccc bccm bcec bcer bcet bcma bcmp bcpp bcra bcru bctc bcuc bcup beam beap bear beat beau beba bebb bebe beca becu beeb beem beep beer beet bema beme bemu bera berc bere berm berr bert beru beta betc bete bett betu beur bmaa bmce bmep bmpt bmtc bpcp bpea bpmc bprc brab brac brae bram brat brau brca brcb brce brea breb brec bree brem brep brer bret brmc brrm brrr brtc bruc brue brum brup brut btaa btbp btcc btec btrc btrt bttb buar buat buba bubb bube bubu buca bucc buce bucu buea buem buer bueu bum- buma bumb bump bupa bupc bur- bura burb bure burm burp burr burt buru but- buta bute butt caaa caab caac caam caap caat caba cabe cabu cac- caca cacc cace cacm cacr caec caem caer caeu cama camb camc came camm camp camt capa capb capc cape capm capp capt capu cara carb carc care carm carp carr cart cat- cata catb catc cate catm catt catu cauc caum caup caut cbac cbar cbat cbbc cbca cbcc cbce cbcm cbcp cbcr cbct cbcu cbea cbec cbee cber cbet cbme cbpc cbpp cbre cbrm cbrt cbta cbtc ccaa ccab ccac ccam ccap ccar ccat ccba ccbc ccca cccb cccc cccm cccp cccu ccee ccma ccmb ccmc ccmm ccmp ccpa ccpe ccpm ccpp ccpr ccra ccrc ccre ccrp ccrt cctb cctc cctt ccuc ccup ccut ceac cear ceat ceba cebp cebu cec- ceca cece cecm cecp cect ceeb ceec ceem cema cemb ceme cemm cemp cemr cemu cepa cepc cepe cepp cepr cept cer- cera cerc cere cerp cert cet- ceta cete cetp cmaa cmac cmap cmba cmbc cmcc cmea cmec cmmb cmmc cmpa cmpc cmpp cmra cmrr cmta cmtc cmtu cpaa cpac cpam cpap cpbc cpca cpce cpcm cpcu cpea cpeb cpep cper cpma cpme cpmp cppa cppm cpre cprm cprt cptp cptr crab crac cram crap crar crat crau crbc crbu crca crcc crce crcr cre- crea creb crec cree crem crep cret creu crmb crmp crpc crrt crtc crtm crtp crub crue crum crup crut ctab ctae ctba ctca ctcp ctec ctep ctma ctpp ctrc ctrm ctrp ctta cuau cub- cuba cubb cube cuca cucc cuce cucm cuer cum- cuma cume cump cumt cupe cupp cupr cura curb cure curr curt cut- cuta cutc cute cutt eaba eaca eacc eaec eama eame eapc eapp eara earb eare earp eart eata eate ebac ebam ebba ebbc ebbr ebcc eber ebru ebur ecaa ecac ecam ecar ecat ecbc ecbe ecca eccb eccc ecce eccm ecct ecem ecma ecmp ecpa ecpm ecpp ecra ecrc ecrm ecrr ecru ect- ecta ectc ecua eeca eeea eeee eera eerc eeta eetc eete eetu emac emae emam emar emba embe embr emcc emer emet emeu emma emme emmu empa empc empe empt emra emre emta emte emtp emup epaa epac epam epbm epcc epec epee eper eppa eppc eppp epra eprb eprp epta epte epub eram erap erat erau erba erbb erbe erca ercc erce ercp ereb erec erem erer eret erma ermc erme erpa erpe erra errc erre erta ertu erua erub eruc erum erur etam etap etat etbc etbr etcc etec etee etem eter etra etre etrm etta ette ettu etua euba eubc euer eumc eur- eura eurc eure eurt maaa maac maam maap maar maat maba mabe mabu mac- maca macb macc mace macp macr mact macu maee maem maer mama mamc mame mamp mamu mapa mape mapp mapr mapu mar- mara marc mare marm marr mart maru mata matc mate matr matt matu maua maum maup maur maut mbac mbam mbba mbca mbta mcaa mcac mcap mcat mcba mcbc mcca mccc