a-be aaaa aaab aaac aaad aaae aaam aaap aaba aabb aabc aabd aabm aabp aaca aacb aacc aacd aace aacm aacp aada aadc aade aaea aaec aaem aaep aama aamb aamc aamd aame aamp aapa aapc aapm abaa abab abac abad abae abam abap abb- abba abbb abbe abca abcb abcc abcd abcp abda abec abed abee abma abmb abmc abpa abpc abpd abpm abpp acaa acab acac acad acae acap acba acca accc accd acce accm accp acda acdb acdc acde acdm acdp ace- acea acec aced acem acma acmc acme acmp acpa acpd acpe acpm adaa adab adac adad adae adam adap adba adbc adcc adda addc addd adde adea adeb adee adem adma admb adme adp- aeac aeap aecb aede amaa amac amad amae amam amap amb- amba ambe amca amcc amda amec amed amee amm- amma amme ampa ampc ampd ampe ampm apac apam apap apba apca apcb apcc apcd apcm apda apdd apea apec aped apem apep apma appa appc appd baaa baad baam baba babb babe babm bac- baca bacc bace bada badb badd bade baed bama bamb bamc bame bamm bamp bapa bapc bape bapp bbad bbbb bbcm bbdd bbeb bcaa bcam bcap bcbc bcbp bcca bccc bccm bcda bcde bcec bcma bcmp bcpp bdbc bddc bdpc bead beam beap beba bebb bebe beca beda bede beeb beed beem beep bema beme bmaa bmce bmdb bmdp bmep bpcp bpda bpea bpmc c-cd caaa caab caac caam caap caba cabe cac- caca cacc cace cacm cada cadc cadd cade cadm caec caem cama camb camc came camm camp capa capb capc capd cape capm capp cbac cbbc cbca cbcc cbce cbcm cbcp cbdb cbdc cbea cbec cbee cbme cbpc cbpp ccaa ccab ccac ccad ccam ccap ccba ccbc ccca cccb cccc cccm cccp ccdc ccdm ccdp cced ccee ccma ccmb ccmc ccmd ccmm ccmp ccpa ccpe ccpm ccpp cd-e cdaa cdac cdad cdba cdda cddb cdec cdma ceac cead ceba cebp cec- ceca cece cecm cecp ceda cedd cede ceeb ceec ceem cema cemb ceme cemm cemp cepa cepc cepe cepp cmaa cmac cmap cmba cmbc cmcc cmda cmdb cmea cmec cmmb cmmc cmpa cmpc cmpd cmpp cpaa cpac cpad cpam cpap cpbc cpca cpce cpcm cpea cpeb cpep cpma cpme cpmp cppa cppd cppm daab daad daae daam daap daba dabb dabp daca dace dada dade daeb daem dama damb dame damm damp dapa dape dapp dbcc dbcp dbpc dbpd dcbc dcca dccb dccc dccp dcdb dcma dcmp dddd deac dead deae deap deba debe dec- deca decc decd dece deda dedd dede deeb deed deem deep dem- dema demb demd deme depa depc depe depp dmaa dmab dmac dmae dmap dmba dmcc dmcm dmdc dmea dmpa dpaa dpac dpbc dpcp dpma dppa dppc eaba eaca eacc eada eadb eadd eadp eaec eama eame eapc eapp ebac ebam ebba ebbc ebcc ebed ecaa ecac ecad ecam ecbc ecbe ecca eccb eccc ecce eccm ecdc eced ecem ecma ecmp ecpa ecpd ecpm ecpp edac edad edam edca edda eddc edde eddm eddp ede- edea edem edma edme eeca eede eeea eeee emac emad emae emam emba embd embe emcc emma emme empa empc empd empe epaa epac epad epam epbm epcc epec epee epmd eppa eppc eppp maaa maac maad maam maap maba mabe mac- maca macb macc macd mace macp mada madb madc madd made maee maem mama mamc mame mamp mapa mape mapp mbac mbam mbba mbca mbda mbdb mbed mcaa mcac mcad mcap mcba mcbc mcca mccc mccd mcdc mcdd mcde mced mcep mcmc mcpa mcpb mcpc mcpd mcpp mdac mdca mdcc mddm mdea mdma mdmc mdme mdmp mdpc mdpp mead meap mebe mec- meca mecc mecd mece meda medb medd mede meed meem meep mema memc meme mepe mmaa mmab mmac mmap mmcc mmcd mmcm mmda mmdb mmdc mmea mmmc mmmd mmmm mmpa mmpc mpaa mpac mpca mpcc mpec mpmc mppc mppe mppp paap paba paca pacd pace pada padd pade paea paec paep pam- pama pamb pame pamm pamp papa papb pape papp pbac pbcc pbed pbpa pcaa pcad pcae pcap pcba pcbc pcbm pcca pccc pcce pcea pcem pcep pcmb pcpb pcpm pcpp pdac pdca pdcp pdea pdma pdpa peab peac peap peba peca pece ped- peda pede peec peed peep pepa pepd pepe pmaa pmac pmcc pmcd pmdc pmed pmma pmmp pmpm ppac ppad ppap ppcc ppcd ppcm pppa pppd pppp