a-ak a-be aaaa aaab aaac aaad aaae aaap aaba aabb aabc aabd aabp aaca aacb aacc aacd aace aack aacp aacu aada aadc aade aadu aaea aaec aaep aaka aake aaku aapa aapc aaup abaa abab abac abad abae abak abap abau abb- abba abbb abbe abca abcb abcc abcd abcp abda abdu abec abed abee abpa abpc abpd abpp abua abud abue abuk acaa acab acac acad acae acap acba acca accc accd acce accp accu acda acdb acdc acde acdp ace- acea acec aced acek ackd acke acpa acpd acpe acpu acu- acue acup adaa adab adac adad adae adak adap adba adbc adcc adda addc addd adde addu adea adeb adee adp- adua adub adue aduk aeac aeap aecb aede aeka akaa akae akap akca aked akee akeu akka akku akpu akua apac apak apap apba apca apcb apcc apcd apda apdd apdu apea apec aped apep apeu apke appa appc appd appu apua apuc apud apup auaa aube auca auce aucp audc aude auke aupc baaa baad baak baba babb babe babu bac- baca bacc bace back bada badb badd bade badu baed baek bak- baka bake baku bapa bapc bape bapp bapu bau- baud bauk bbad bbau bbbb bbdd bbeb bcaa bcap bcbc bcbp bcca bccc bcda bcde bcec bcpp bcuc bcup bdbc bddc bdpc bead beak beap beau beba bebb bebe beca beck becu beda bede bedu beeb beed beek beep beka beke beuk bpcp bpda bpea buad buba bubb bube bubu buca bucc buce buck bucu buda budb budd bude budu buea bueu buka buke bukk buku bupa bupc c-cd caaa caab caac caap caba cabe cabu cac- caca cacc cace cack cada cadc cadd cade cadu caec caeu caka cake capa capb capc capd cape capp capu cauc cauk caup cbac cbbc cbca cbcc cbce cbcp cbcu cbdb cbdc cbea cbec cbee cbka cbpc cbpp ccaa ccab ccac ccad ccap ccba ccbc ccca cccb cccc cccp cccu ccdc ccdp cced ccee ccpa ccpe ccpp ccuc ccup cd-e cdaa cdac cdad cdba cdda cddb cdec ceac cead ceba cebp cebu cec- ceca cece cecp ceda cedd cede cedu ceeb ceec ceke cepa cepc cepe cepp ckac ckbc ckbe ckck ckdu ckpc cpaa cpac cpad cpap cpbc cpca cpce cpcu cpea cpeb cpep cppa cppd cuau cub- cuba cubb cube cuca cucc cuce cuck cuda cude cued cuek cuk- cuka cuke cupe cupp daab daad daae daap daau daba dabb dabp dabu daca dace dada dade dadu daeb daeu daka dake daku dapa dape dapp dapu daub daud daue dauk dbcc dbcp dbpc dbpd dcbc dcca dccb dccc dccp dccu dcdb dcup dddd ddub deac dead deae deak deap deau deba debe debu dec- deca decc decd dece deck deda dedd dede dedu deeb deed deek deep dek- deka deke depa depc depe depp deua deue deuk dkba dkdc dpaa dpac dpbc dpcp dppa dppc duaa duab duad dub- duba dubb dubc dube dubu duca duce duck duda dudd dude dudu duka duke duku dupa dupe eaba eaca eacc eada eadb eadd eadp eaec eapc eapp ebac ebba ebbc ebcc ebed ecaa ecac ecad ecbc ecbe ecca eccb eccc ecce ecdc eced ecka ecpa ecpd ecpp ecua edac edad edca edda eddc edde eddp ede- edea educ edup eeca eede eedu eeea eeee eeka eeke eka- ekab ekeb eked ekek ekka ekpe epaa epac epad epcc epec epee eppa eppc eppp epub euba eubc eucd eude kaaa kaab kaak kaap kaba kabb kabc kabd kabe kabu kacb kacc kacd kace kacp kacu kad- kada kadd kade kadu kaep kaka kakc kake kakk kaku kap- kapa kapc kape kapp kapu kau- kaub kauc kaud kaue kauk kaup kbaa kbab kbac kbad kbae kbak kbap kbba kbbb kbbc kbbd kbbe kbbk kbbu kbca kbcb kbce kbck kbcu kbdb kbde kbeb kbec kbed kbee kbek kbkb kbkk kbpa kbpc kbpe kbpk kbpu kbua kbub kbuc kbud kbue kbuk kbup kbuu kcaa kcab kcac kcad kcap kcau kcba kcbc kcbd kcbk kcbu kcca kccb kccc kccd kcck kccu kcda kcdc kcdd kcdu kcea kceb kcec kced kcee kcep kceu kckc kckk kcpa kcpc kcpu kcua kcub kcue kcuk kcup kdaa kdab kdac kdad kdae kdak kdap kdbb kdca kdcc kdcd kdce kddb kddc kddd kddk kdeb kdec kdep kdka kdkb kdkd kdkk kdub kduc kdup kea- kead keak keap keau keba kebb kebc kebe kebu keca keck keda kedb kedc kedd kede kedp keed keek keep keka kekb kekc keke keku kep- kepa kepc kepd kepe kepu keup kkaa kkac kkap kkba kkbb kkbd kkbe kkcb kkcd kkck kkda kkdc kkdd kkea kked kkkk kkpc kkpk kkua kkup kkuu kpac kpad kpae kpak kpau kpba kpbb kpbd kpbe kpcc kpda kpdb kpdc kpek kpke kpkk kppc kppd kppk kppp kpua kpub kuac kuap kuau kuba kubb kubc kubd kube kubu kuca kucb kucc kucd kuce kucp kuda kudd kude kudu kued kuek kueu kuka kuke kukk kuku kupa kupb kupd kupe kupu kuub kuuk kuuu paak paap paba pabu paca pacd pace pack pacu pada padd pade padu paea paec paep paka pake paku papa papb pape papp paua paud pauk paup pbac pbcc pbed pbpa pbpk pcaa pcad pcae pcap pcba pcbc pcca pccc pcce pcea pcep pcpb pcpp pdac pdca pdcp pdea pdpa peab peac peak peap peau peba peca pece peck ped- peda pede peec peed peek peep peka peke pekk pepa pepd pepe ppac ppad ppap ppcc ppcd ppdk pppa pppd pppp pu-e pube pubu puca puce puck pudu pued pueu puka puke puku pupa pupe pupu puuc uabc uaca uaua ubac ubba ubbe ubek ubpc ubud ucad ucak ucbc ucca uccp ucdc ucdd ucea ucka ucpa ucpb ucua udaa udad udau udbc udca udea udpd uduk ueba ueda ukba ukcc ukek ukeu ukpa ukup upac upbe upca upda uped uppa uppc uppe uppp uppu upup uucp uuuu