a-be a-fu aaaa aaab aaac aaae aaaf aaal aaap aaba aabb aabc aabl aabp aaca aacb aacc aace aacf aacl aaco aacp aacu aaea aaec aaep aafa aafb aafc aaff aafl aala aalc aale aall aalo aalu aaoe aaoo aapa aapc aapl aapo aaup abaa abab abac abae abaf abal abap abau abb- abba abbb abbe abbo abca abcb abcc abcf abcl abcp abec abee abel abff abla able ablo aboa abob abof abol aboo abou abpa abpc abpp abua abue abuf abul acaa acab acac acae acap acba acbl acca accc acce accf acco accp accu ace- acea acec acel acfc acfe acfl acla aclc acle aclu acoa acoe acol acop acou acpa acpe acpu acu- acue acuf acul acuo acup aeac aeaf aeap aecb aecl aela aelc aelp afaa afao afap afca afcb afcc afcu afee afel affa affc affo afla aflc afle aflp afoa afoe afol afoo afpa afpc afpe afua afue al-p alaa alac alae alal alao alap alau alb- alba albc albe albo albu alca alcc alce alco alea alec alee alef aleo alep aleu alfa alfe all- alla alle alll allo allu aloa aloc aloe alof alol aloo alop alou alpa alpe alpl alpo alpu alua aluf aoba aoca aoce aoeu aola aole aopo aouf aoul apac apal apao apap apba apca apcb apcc apco apea apec apel apep apeu apfa apfc apfl apfo apl- apla aple aplp aplu apo- apoc apoe apof apoo apop apou appa appc appl appu apua apuc apup auaa aube auca auce aucp auel aufc aufe aul- aula aule aulf aull aulo aulu auol aupc baaa baaf baal baba babb babe babo babu bac- baca bacc bace baco bael bafc baff bafo bala balc bale balf ball balo balu baol bapa bapc bape bapp bapu bau- bauf baul bbau bbbb bbeb bbfc bblb bcaa bcap bcbc bcbp bcca bccc bccl bcec bcfc bcof bcpl bcpp bcuc bcup beaf beal beap beau beba bebb bebe bebo beca becu beeb beef beel beep befa befe beff befo bela bele bell belo belp belu beo- beof bepo bfca bffl bfpo bfpp blaa blab blac blae blau blcu blea bleb blee bleo bleu blfc blob bloc bloo blop blou blub blue bluf blup boab boac boal boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boef boel boeo boep bofa bofe boff bofu bola bole boll bolo bolu boob booc booe boof bool boop bopa bope bopp boua boue bouf boul boup bpcp bpea bpel bpfc bpfl bpoe bual buba bubb bube bubo bubu buca bucc buce buco bucu buea buel bueu bufc bufe buff bufo bula bulb bule bull bulu buol bupa bupc c-bo caaa caab caac caaf caal caap caba cabe cabf cabo cabu cac- caca cacc cace caco caec caeu cafa cafb cafc cafe caff cafl cafu cala calc cale calf call calo calp calu caol capa capb capc cape capo capp capu cauc cauf caul cauo caup cbac cbal cbbc cbca cbcc cbce cbcl cbcp cbcu cbea cbec cbee cbef cbfb cbfc cblb cblc cbol cbpc cbpp ccaa ccab ccac ccaf ccap ccba ccbc ccca cccb cccc cccf cccl cccp cccu ccee ccel ccfa ccfc ccff ccfl ccla cclc ccob ccoc ccpa ccpe ccpl ccpp ccuc ccup ceac ceal ceba cebp cebu cec- ceca cece ceco cecp ceeb ceec ceel cef- cefa cefc cel- cela celc cele celf cell celo ceol ceop ceou cepa cepc cepe cepo cepp cfaa cfab cfac cfae cfao cfbc cfca cfcb cfcf cfcl cfco cffb cfoa cfpa cfpl cfpo clab claf clap clau clea clec clee clef cleo clep cleu clob cloe clof cloo clop clou clpb clpp club clue coal coba cobb cobe cobo cobu coca coce coco cocp cocu coel coep cofc cofe coff col- cola colb cole coll colo colp colu coob coof cool coop copa cope copo copp coua coub coue coul coup cpaa cpac cpaf cpap cpbc cpca cpce cpcu cpea cpeb cpep cpff cplc cppa cuau cub- cuba cubb cube cuca cucc cuce cufa cufc cuff cufo cula culb culc cule cull culo culp cupe cupl cupo cupp e-cl e-la eaaf eaba eaca eacc eaec eafb eala ealc eale eaop eapc eapp ebac ebal ebba ebbc ebbo ebcc ebel ebfc ebla eboe ebol eboo ebpo ebul ecaa ecac ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco ecef ecfa ecfc ecla eco- ecol ecop ecou ecpa ecpp ecua eeca eeea eeee eefa eefe eefl eele eeoc efab efca efco efeo effa efla efpa efua el-b el-p elab elac elal elba elbe elbo elbu elca elcb elce elco elea elec elee elef eleo elfa elfc elfe ella elle ello ellu elpe elue elul eola eole eolo epaa epac epcc epec epee epfa epfc eple epll epoc epol eppa eppc eppo eppp epub euba eubc eufc eula eule faaa faac faap faba fabe fabo fabu faca facc face facp faeb fafa fafc fafe faff fafo fala falc fale fall falo falu fapa fape fapl fapp faue faul fbla fble fbop fcab fcal fcap fcba fcca fccf fccp fcpa fcup feaf feal feap feba febo fece feeb feel fefc fefe feff fefo fela fele felf fell felo feof fepa fepc ffcc ffee ffff flab flac flae flao flap flcl flea flee flob floc floe floo flop flou flub flue fluf fluo foaf foal foba foca foce foco fofo fola folc fole foll folo foof fool fopp foua foul foup fp-c fpaa fpcc fpla fplc fubb fubu fuc- fuca fuel fufc fuff fufu fula fule full fulu laaa laac laal laap laba labe labo labu laca lacc lace lacl laco lacp lacu lael lafb lafc lafe laff lala lale lall lalo lalu laou lapa lapb lapc lape lapp lapu laub laue lauf laul lbcc lcac lcbc lcca lccc lcce lcfc lcpa lcpc lcpl le-u leaa leaf leal leao leap leau leba lebo lebu leca lece leco leea leef leel leep lefa lefe leff lela lele lell lelo lelu leoc leof leou lepa lepe lepo lepp leuc lfca lfcc