a-be aaaa aaab aaac aaae aaal aaap aaba aabb aabc aabl aabp aaca aacb aacc aace aacl aaco aacp aacu aaea aaec aaep aala aalc aale aall aalo aalu aaoe aaoo aapa aapc aapl aapo aaup abaa abab abac abae abal abap abau abb- abba abbb abbe abbo abca abcb abcc abcl abcp abec abee abel abla able ablo aboa abob abol aboo abou abpa abpc abpp abua abue abul acaa acab acac acae acap acba acbl acca accc acce acco accp accu ace- acea acec acel acla aclc acle aclu acoa acoe acol acop acou acpa acpe acpu acu- acue acul acuo acup aeac aeap aecb aecl aela aelc aelp al-p alaa alac alae alal alao alap alau alb- alba albc albe albo albu alca alcc alce alco alea alec alee aleo alep aleu all- alla alle alll allo allu aloa aloc aloe alol aloo alop alou alpa alpe alpl alpo alpu alua aoba aoca aoce aoeu aola aole aopo aoul apac apal apao apap apba apca apcb apcc apco apea apec apel apep apeu apl- apla aple aplp aplu apo- apoc apoe apoo apop apou appa appc appl appu apua apuc apup auaa aube auca auce aucp auel aul- aula aule aull aulo aulu auol aupc baaa baal baba babb babe babo babu bac- baca bacc bace baco bael bala balc bale ball balo balu baol bapa bapc bape bapp bapu bau- baul bbau bbbb bbeb bblb bcaa bcap bcbc bcbp bcca bccc bccl bcec bcpl bcpp bcuc bcup beal beap beau beba bebb bebe bebo beca becu beeb beel beep bela bele bell belo belp belu beo- bepo blaa blab blac blae blau blcu blea bleb blee bleo bleu blob bloc bloo blop blou blub blue blup boab boac boal boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boel boeo boep bola bole boll bolo bolu boob booc booe bool boop bopa bope bopp boua boue boul boup bpcp bpea bpel bpoe bual buba bubb bube bubo bubu buca bucc buce buco bucu buea buel bueu bula bulb bule bull bulu buol bupa bupc c-bo caaa caab caac caal caap caba cabe cabo cabu cac- caca cacc cace caco caec caeu cala calc cale call calo calp calu caol capa capb capc cape capo capp capu cauc caul cauo caup cbac cbal cbbc cbca cbcc cbce cbcl cbcp cbcu cbea cbec cbee cblb cblc cbol cbpc cbpp ccaa ccab ccac ccap ccba ccbc ccca cccb cccc cccl cccp cccu ccee ccel ccla cclc ccob ccoc ccpa ccpe ccpl ccpp ccuc ccup ceac ceal ceba cebp cebu cec- ceca cece ceco cecp ceeb ceec ceel cel- cela celc cele cell celo ceol ceop ceou cepa cepc cepe cepo cepp clab clap clau clea clec clee cleo clep cleu clob cloe cloo clop clou clpb clpp club clue coal coba cobb cobe cobo cobu coca coce coco cocp cocu coel coep col- cola colb cole coll colo colp colu coob cool coop copa cope copo copp coua coub coue coul coup cpaa cpac cpap cpbc cpca cpce cpcu cpea cpeb cpep cplc cppa cuau cub- cuba cubb cube cuca cucc cuce cula culb culc cule cull culo culp cupe cupl cupo cupp e-cl e-la eaba eaca eacc eaec eala ealc eale eaop eapc eapp ebac ebal ebba ebbc ebbo ebcc ebel ebla eboe ebol eboo ebpo ebul ecaa ecac ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco ecla eco- ecol ecop ecou ecpa ecpp ecua eeca eeea eeee eele eeoc el-b el-p elab elac elal elba elbe elbo elbu elca elcb elce elco elea elec elee eleo ella elle ello ellu elpe elue elul eola eole eolo epaa epac epcc epec epee eple epll epoc epol eppa eppc eppo eppp epub euba eubc eula eule laaa laac laal laap laba labe labo labu laca lacc lace lacl laco lacp lacu lael lala lale lall lalo lalu laou lapa lapb lapc lape lapp lapu laub laue laul lbcc lcac lcbc lcca lccc lcce lcpa lcpc lcpl le-u leaa leal leao leap leau leba lebo lebu leca lece leco leea leel leep lela lele lell lelo lelu leoc leou lepa lepe lepo lepp leuc llao llcc lleu lllc llll lloa lloc lloo loac loap lob- loba lobb lobe lobo loca locc loce loco locu loeb loeu lola lole loll lolo loob looc looe lool loop lopa lope lopp lopu loue loul loup louu lpac lpec lpla lppl luau luba lube luca luce lula lule lull lulu lupa lupe lupo lupu luua luup o-eo oaau oall obal obba obbo obea obec obel obla oble oblu oboe obol ocab ocac ocal ocap ocbc occa occc oce ocee oclc ocpa ocpp ocul oec- oeca oecc oeec oela oele oepa olac olba olbo olca olcc ole- olea oleo olla olle ollo olpc olpe ooaa ooba oobe oola oolo oooo opal opap opca opec opel opep opla ople opo- oppa oppo opua ouac oucc ouea oula oule oulu oupa oupe ouu- paal paap paba pabu paca pace paco pacu paea paec paep pala pale pall palo palp palu paoc papa papb pape papp paua paul paup pbac pbcc pblu pboc pbpa pcaa pcae pcap pcba pcbc pcca pccc pcce pccl pcea pcep pcll pclo pcoa pcoe pcpb pcpp peab peac peal peap peau peba pebl peca pece pecl peco peec peel peep pel- pela pelb pele pell pelo pelu peou pepa pepe pepo peul plaa plab plac plap plau plcc plce ple- plea pleb plec plee pleo pleu plob ploc ploo plop plou plpa plpp plua plue plup poba pobo poca poce poco poea poel pola pole poll polo polu pool poop pop- popa popc pope popo popp poul poup ppac ppal ppap ppcc pple pplo ppoa pppa pppo pppp pu-e puao pube publ pubu puca puce puel pueo pueu pula pule pull pulo pulp pulu pupa pupe pupl pupu puuc uabc uaca uaoc uaua ubac ubal ubba ubbe ubbo ubla uble ublo uboc ubpc ucal ucbc ucca uccp ucea