a-be aaaa aaab aaac aaae aaal aaba aabb aabc aabl aaca aacb aacc aace aacl aaco aacu aaea aaec aala aalc aale aall aalo aalu aaoe aaoo abaa abab abac abae abaj abal abau abb- abba abbb abbe abbo abca abcb abcc abcl abec abee abel abla able ablj ablo aboa abob abol aboo abou abua abue abul acaa acab acac acae acba acbl acca accc acce acco accu ace- acea acec acel acla aclc acle aclu acoa acoe acol acou acu- acue acul acuo aeac aecb aecl aela aelc ajab ajac ajao ajba ajee ajla ajob ajoo ajou alaa alac alae alal alao alau alb- alba albc albe albo albu alca alcc alce alco alea alec alee aleo aleu all- alla alle alll allo allu aloa aloc aloe alol aloo alou alua aoba aoca aoce aoeu aola aole aoul auaa aube auca auce auel auja aul- aula aule aull aulo aulu auol baaa baal baba babb babe babo babu bac- baca bacc bace baco bael baja baju bala balc bale ball balo balu baol bau- baul bbau bbbb bbeb bblb bcaa bcbc bcca bccc bccl bcec bcuc beal beau beba bebb bebe bebo beca becu beeb beej beel beja bela bele bell belo belu beo- bjcc bjec bjoa blaa blab blac blae blaj blau blcu blea bleb blee bleo bleu blob bloc bloo blou blub blue boab boac boal boba bobb bobe bobo bobu boca boce boco bocu boea boec boee boel boeo bojo boju bola bole boll bolo bolu boob booc booe bool boua boue boul bual buba bubb bube bubo bubu buca bucc buce buco bucu buea buel bueu buja buje bujo buju bula bulb bule bull bulu buol c-bo caaa caab caac caal caba cabe cabo cabu cac- caca cacc cace caco caec caeu caja caju cala calc cale call calo calu caol cauc caul cauo cbac cbal cbbc cbca cbcc cbce cbcl cbcu cbea cbec cbee cblb cblc cbol ccaa ccab ccac ccba ccbc ccca cccb cccc cccl cccu ccee ccel ccjo ccla cclc ccob ccoc ccuc ceac ceal ceba cebu cec- ceca cece ceco ceeb ceec ceel ceja cejc cel- cela celc cele cell celo ceol ceou cjbc cjca cjcb cjcj cjcl cjeu cjlo cjob cjul clab clau clea clec clee cleo cleu clob cloe cloo clou club clue cluj coal coba cobb cobe cobo cobu coca coce coco cocu coel cojo col- cola colb cole coll colo colu coob cool coua coub coue coul cuau cub- cuba cubb cube cuca cucc cuce cujo cuju cula culb culc cule cull culo e-cl e-la eaba eaca eacc eaec eala ealc eale ebac ebal ebba ebbc ebbo ebcc ebel ebla eboe ebol eboo ebul ecaa ecac ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco ecla eco- ecol ecou ecua eeca eeea eeee eele eeoc ejob ejoo el-b elab elac elal elba elbe elbo elbu elca elcb elce elco elea elec elee eleo ella elle ello ellu elue elul eola eole eolo euba eubc eula eule jaal jaba jabo jaca jacc jace jacl jaco jacu jael jaja jaju jala jalc jale jalu jaul jbaa jbel jbob jcbc jccc jebb jebe jeel jeju jell jeol jjcc jlab joab joal joao joba jobe jobo jobu joca joce joco jocu joea joee joel jojo jola jole joll jolo jool joul juab juba jube jubu juca juce juco jucu juel juja juju jula jule juul laaa laac laaj laal laba labe labo labu laca lacc lace lacl laco lacu lael laja laje lajo lala lale lall lalo lalu laou laub laue laul lbcc lcac lcbc lcca lccc lcce le-u leaa leal leao leau leba lebo lebu leca lece leco leea leej leel lela lele lell lelo lelu leoc leou leuc ljeb ljla llao llcc lleu lllc llll lloa lloc lloo loac lob- loba lobb lobe lobo loca locc loce loco locu loeb loeu loja loje lojo lola lole loll lolo loob looc looe looj lool loue loul louu luau luba lube luca luce luju lula lule lull lulu luua o-eo oaau oall obal obba obbo obea obec obel obja obla oble oblu oboe obol ocab ocac ocal ocbc occa occc oce ocee oclc ocul oec- oeca oecc oeec oela oele ojal ojea ojeu olac olba olbo olca olcc ole- olea oleo olju olla olle ollo ooaa ooba oobe oola oolo oooo ouac oucc ouea ouju oula oule oulu ouu- uabc uaca uaoc uaua ubac ubal ubba ubbe ubbo ubja ubla uble ublo uboc ucal ucbc ucca ucea ucel ucla ucua ueba uele uell ulaa ulae ulbc ulcc ulco ulea uleb ulee uleo ulja ulje ulla ulle ullo ulo- uloc ulua ulul uocc uolc uulu uuoc uuuu