a-be aaaa aaab aaac aaae aaam aaap aaar aaba aabb aabc aabm aabp aaca aacb aacc aace aacm aacp aacr aacu aaea aaec aaem aaep aama aamb aamc aame aamp aamr aapa aapc aapm aara aarc aare aarm aarp aaru aaup abaa abab abac abae abam abap abar abau abb- abba abbb abbe abbr abca abcb abcc abcp abcr abec abee aber abma abmb abmc abpa abpc abpm abpp abpr abra abrc abua abue abum acaa acab acac acae acap acar acba acca accc acce accm accp accu ace- acea acec acem acer acma acmc acme acmp acmu acpa acpe acpm acpr acpu acr- acra acrc acre acrm acrr acu- acue acum acup acur aeac aeap aecb aeer aer- aera aerc amaa amac amae amam amap amar amb- amba ambe ambr ambu amca amcc amec amee amer ameu amm- amma amme ammu ampa ampc ampe ampm amra amrc amua amum amur apac apam apap apar apba apbr apca apcb apcc apcm apcr apea apec apem apep aper apeu apma appa appc appr appu apra aprc apre apua apuc apum apup arab arac arae aram arap arar arau arba arbe arc- arca arce arcm area arec aree arem arep areu arma armc arme armm armu arpa arpe arpu arr- arra arrc arre arrr arru arua arub arue arum arup auaa aube auca auce aucp auer auma aupc aur- aura aure baaa baam baar baba babb babe babm babr babu bac- baca bacc bace baer bama bamb bamc bame bamm bamp bamu bapa bapc bape bapp bapu bar- bara barb barc bare barm barr baru bau- baum baur bbau bbbb bbcm bbeb bbpr bbrc bcaa bcam bcap bcar bcbc bcbp bcca bccc bccm bcec bcer bcma bcmp bcpp bcra bcru bcuc bcup beam beap bear beau beba bebb bebe beca becu beeb beem beep beer bema beme bemu bera berc bere berm berr beru beur bmaa bmce bmep bpcp bpea bpmc bprc brab brac brae bram brau brca brcb brce brea breb brec bree brem brep brer brmc brrm brrr bruc brue brum brup buar 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 buru caaa caab caac caam caap caba cabe cabu cac- caca cacc cace cacm cacr caec caem caer caeu cama camb camc came camm camp capa capb capc cape capm capp capu cara carb carc care carm carp carr cauc caum caup cbac cbar cbbc cbca cbcc cbce cbcm cbcp cbcr cbcu cbea cbec cbee cber cbme cbpc cbpp cbre cbrm ccaa ccab ccac ccam ccap ccar ccba ccbc ccca cccb cccc cccm cccp cccu ccee ccma ccmb ccmc ccmm ccmp ccpa ccpe ccpm ccpp ccpr ccra ccrc ccre ccrp ccuc ccup ceac cear ceba cebp cebu cec- ceca cece cecm cecp ceeb ceec ceem cema cemb ceme cemm cemp cemr cemu cepa cepc cepe cepp cepr cer- cera cerc cere cerp cmaa cmac cmap cmba cmbc cmcc cmea cmec cmmb cmmc cmpa cmpc cmpp cmra cmrr cpaa cpac cpam cpap cpbc cpca cpce cpcm cpcu cpea cpeb cpep cper cpma cpme cpmp cppa cppm cpre cprm crab crac cram crap crar crau crbc crbu crca crcc crce crcr cre- crea creb crec cree crem crep creu crmb crmp crpc crub crue crum crup cuau cub- cuba cubb cube cuca cucc cuce cucm cuer cum- cuma cume cump cupe cupp cupr cura curb cure curr eaba eaca eacc eaec eama eame eapc eapp eara earb eare earp ebac ebam ebba ebbc ebbr ebcc eber ebru ebur ecaa ecac ecam ecar ecbc ecbe ecca eccb eccc ecce eccm ecem ecma ecmp ecpa ecpm ecpp ecra ecrc ecrm ecrr ecru ecua eeca eeea eeee eera eerc emac emae emam emar emba embe embr emcc emer emeu emma emme emmu empa empc empe emra emre emup epaa epac epam epbm epcc epec epee eper eppa eppc eppp epra eprb eprp epub eram erap erau erba erbb erbe erca ercc erce ercp ereb erec erem erer erma ermc erme erpa erpe erra errc erre erua erub eruc erum erur euba eubc euer eumc eur- eura eurc eure maaa maac maam maap maar maba mabe mabu mac- maca macb macc mace macp macr macu maee maem maer mama mamc mame mamp mamu mapa mape mapp mapr mapu mar- mara marc mare marm marr maru maua maum maup maur mbac mbam mbba mbca mcaa mcac mcap mcba mcbc mcca mccc mcep mcmc mcpa mcpb mcpc mcpp mcrc meap mear mebe mec- meca mecc mece mecr meem meep meer mema memc meme memr memu mepe mer- mera merb merc mere merm merp meru meum meup mmaa mmab mmac mmap mmar mmcc mmcm mmea mmmc mmmm mmpa mmpc mmpr mmpu mmrc mmrp mpaa mpac mpca mpcc mpec mpmc mppc mppe mppp mprp mr-c mrac mrap mrbb mrbm mrca mrcb mrcc mrce mrcp mreb mree mrmc mrpa mrrc muac muar mube muc- mucc muce mucu muee muma mume mumm mump mumu mura murc mure murr muru paap paar paba pabu paca pace pacu paea paec paep paer pam- pama pamb pame pamm pamp papa papb pape papp papr par- para parc pare parm parp parr paru paua paum paup paur pbac pbar pbcc pbmr pbpa pcaa pcae pcap pcba pcbc pcbm pcca pccc pcce pcea pcem pcep pcer pcmb pcpb pcpm pcpp pcra pcrc pcre peab peac peap pear peau peba peca pece pecr peec peep peer pepa pepe per- pera perc pere perm perp perr peru peur pmaa pmac pmbr pmcc pmma pmmp pmmu pmpm pmrc ppac ppap ppar ppcc ppcm pper pppa pppp pprc pprm ppru ppur prae pram prar prau prbc prca prcc prcp pre- preb prec pree prem prep preu prmc prrm prue prum pruu pu-e puar pube pubu puca puce puer pueu puma pume pump pupa pupe pupu pur- pura purb pure purp purr puru puuc raab raam raba rabb rabe rabu rac- raca racc race racu raec raep raer rama ramb rame ramm ramp ramu