a-be aaaa aaab aaac aaae aaam aaap aaba aabb aabc aabm aabp aaca aacb aacc aace aacm aacp aacu aaea aaec aaem aaep aama aamb aamc aame aamp aapa aapc aapm aaup abaa abab abac abae abam abap abau abb- abba abbb abbe abca abcb abcc abcp abec abee abma abmb abmc abpa abpc abpm abpp abua abue abum acaa acab acac acae acap acba acca accc acce accm accp accu ace- acea acec acem acma acmc acme acmp acmu acpa acpe acpm acpu acu- acue acum acup aeac aeap aecb amaa amac amae amam amap amb- amba ambe ambu amca amcc amec amee ameu amm- amma amme ammu ampa ampc ampe ampm amua amum apac apam apap apba apca apcb apcc apcm apea apec apem apep apeu apma appa appc appu apua apuc apum apup auaa aube auca auce aucp auma aupc baaa baam baba babb babe babm babu bac- baca bacc bace bama bamb bamc bame bamm bamp bamu bapa bapc bape bapp bapu bau- baum bbau bbbb bbcm bbeb bcaa bcam bcap bcbc bcbp bcca bccc bccm bcec bcma bcmp bcpp bcuc bcup beam beap beau beba bebb bebe beca becu beeb beem beep bema beme bemu bmaa bmce bmep bpcp bpea bpmc buba bubb bube bubu buca bucc buce bucu buea buem bueu bum- buma bumb bump bupa bupc caaa caab caac caam caap caba cabe cabu cac- caca cacc cace cacm caec caem caeu cama camb camc came camm camp capa capb capc cape capm capp capu cauc caum caup cbac cbbc cbca cbcc cbce cbcm cbcp cbcu cbea cbec cbee cbme cbpc cbpp ccaa ccab ccac ccam ccap ccba ccbc ccca cccb cccc cccm cccp cccu ccee ccma ccmb ccmc ccmm ccmp ccpa ccpe ccpm ccpp ccuc ccup ceac ceba cebp cebu cec- ceca cece cecm cecp ceeb ceec ceem cema cemb ceme cemm cemp cemu cepa cepc cepe cepp cmaa cmac cmap cmba cmbc cmcc cmea cmec cmmb cmmc cmpa cmpc cmpp cpaa cpac cpam cpap cpbc cpca cpce cpcm cpcu cpea cpeb cpep cpma cpme cpmp cppa cppm cuau cub- cuba cubb cube cuca cucc cuce cucm cum- cuma cume cump cupe cupp eaba eaca eacc eaec eama eame eapc eapp ebac ebam ebba ebbc ebcc ecaa ecac ecam ecbc ecbe ecca eccb eccc ecce eccm ecem ecma ecmp ecpa ecpm ecpp ecua eeca eeea eeee emac emae emam emba embe emcc emeu emma emme emmu empa empc empe emup epaa epac epam epbm epcc epec epee eppa eppc eppp epub euba eubc eumc maaa maac maam maap maba mabe mabu mac- maca macb macc mace macp macu maee maem mama mamc mame mamp mamu mapa mape mapp mapu maua maum maup mbac mbam mbba mbca mcaa mcac mcap mcba mcbc mcca mccc mcep mcmc mcpa mcpb mcpc mcpp meap mebe mec- meca mecc mece meem meep mema memc meme memu mepe meum meup mmaa mmab mmac mmap mmcc mmcm mmea mmmc mmmm mmpa mmpc mmpu mpaa mpac mpca mpcc mpec mpmc mppc mppe mppp muac mube muc- mucc muce mucu muee muma mume mumm mump mumu paap paba pabu paca pace pacu paea paec paep pam- pama pamb pame pamm pamp papa papb pape papp paua paum paup pbac pbcc pbpa pcaa pcae pcap pcba pcbc pcbm pcca pccc pcce pcea pcem pcep pcmb pcpb pcpm pcpp peab peac peap peau peba peca pece peec peep pepa pepe pmaa pmac pmcc pmma pmmp pmmu pmpm ppac ppap ppcc ppcm pppa pppp pu-e pube pubu puca puce pueu puma pume pump pupa pupe pupu puuc uabc uaca uamc uaua ubac ubba ubbe ubpc ucam ucbc ucca uccp ucea ucmc ucpa ucpb ucua ueba umaa umac umap umb- umba umbe umec umma umpc umpe upac upbe upca upma upmc upme uppa uppc uppe uppp uppu upup uucp uuuu