bbbb bbdd bbdo bbeb bbet bcbc bccc bcde bcec bcet bctc bcuc bdbc bddc bebb bebe bebo beck becu bede bedo bedu beeb beed beek beet beke beko beo- beod beok beot betc bete beto bett betu beuk bobb bobe bobo bobu boce bock boco bocu bodb bode bodo bodu boec boee boeo boet boke boko boku boob booc bood booe book boot botb botd bote boto bott boud boue bouk bout btcc btdt btec btek btob bttb bubb bube bubo bubu bucc buce buck buco bucu budb budd bude budo budu bueu buke bukk buko buku but- bute buto butt c-bo c-cd cbbc cbcc cbce cbct cbcu cbdb cbdc cbdo cbec cbee cbet cbko cbot cbtc ccbc cccb cccc cccu ccdc cced ccee ccob ccoc ccod cctb cctc cctt ccuc ccut cd-e cddb cdec cdot cebu cec- cece ceco cect cedd cede cedo cedt cedu ceeb ceec ceke ceou cet- cete ceto ckbc ckbe ckck ckco ckdo ckdu ckob ckoc ckoo ckot cktb cobb cobe cobo cobu coce cock coco coct cocu codd code coed cok- coke coko coob cood cook coot cotb cotc cote coto cott cotu coub coud coue couk cout ctec ctot cub- cubb cube cucc cuce cuck cude cued cuek cuk- cuke cut- cutc cute cuto cutt d-bo dbcc dbtt dcbc dccb dccc dcct dccu dcdb dctc dddd ddoc ddot ddub debe debt debu dec- decc decd dece deck deco dect dedd dede dedo dedu deeb deed deek deet dek- deke dete detk deto deue deuk deut dkdc dobb dobe dobu doce dock doco doct docu dod- dodd dode dodo doek doke doko doob dood dook doot dotd dote dotk doto dott doub douc doud doue douk dout dtcc dted dtek dtot dub- dubb dubc dube dubu duce duck duco duct dudd dude dudo dudu duet duke dukt duku duo- dute duut ebbc ebbo ebcc ebed eboe eboo ecbc ecbe eccb eccc ecce ecco ecct ecdc eced ecko eco- ecod ecot ecou ect- ectc ecto eddc edde eddo ede- edoc edod edou educ eede eedu eeee eeke eeoc eetc eete eetu ekco ekeb eked ekek eket eocd eode eotc eotd eoto etbc etcc etco etec etee etoe etok ette etto ettu eubc eucd eude kbbb kbbc kbbd kbbe kbbk kbbo kbbt kbbu kbcb kbce kbck kbco kbct kbcu kbdb kbde kbdo kbeb kbec kbed kbee kbek kbeo kbet kbkb kbkk kbko kbob kboc kbod kboe kbok kboo kbot kbtb kbtc kbte kbtk kbto kbtt kbub kbuc kbud kbue kbuk kbut kbuu kcbc kcbd kcbk kcbu kccb kccc kccd kcck kcct kccu kcdc kcdd kcdu kceb kcec kced kcee kceo kcet kceu kckc kckk kcko kcob kcoe kcot kcou kctb kctc kcte kcto kctu kcub kcue kcuk kdbb kdcc kdcd kdce kdco kddb kddc kddd kddk kdeb kdec kdet kdkb kdkd kdkk kdko kdkt kdoc kdoe kdok kdot kdtd kdub kduc kdut kebb kebc kebe kebt kebu keck keco kedb kedc kedd kede kedo kedt keed keek keet kekb kekc keke keko keku keok ket- ketc ketd kete ketk keto kett ketu kkbb kkbd kkbe kkbo kkbt kkcb kkcd kkck kkco kkct kkdc kkdd kkdo kkdt kked kkkk kkob kkoo kkot kktc kktk kktu kkut kkuu kobb kobc kobe kobk kobo kobu kocb kocd kock koct kode kodk kodo kodt kodu koed kokb kokc koke kokk koko koku koob kooc kook kooo koot koou kotb kotc kotd kote kotk koto kott kotu koub koue kout kouu ktbb ktbc ktbt ktbu ktcc ktce ktck ktco ktdb ktdc ktdd ktde ktdk ktdo ktec kted ktee ktek ktkb ktkc ktke ktkk ktko ktkt ktku ktob ktoc ktoe ktok ktoo ktot kttc kttk ktto kttt kttu ktub ktuc kubb kubc kubd kube kubo kubu kucb kucc kucd kuce kuco kudd kude kudo kudu kued kuek kueu kuke kukk kuku kuok kuoo kute kuto kutt kutu kuub kuuk kuuu o-eo obbo obdt obec obed obet obkb oboe obok obot obtd ocbc occc occt oce oced ocee ocet ocke oct- octe octo odbo oddd oded odeo odet odoo odot odou odtu oec- oecc oedo oeec okcu oked oket okko okok okot okto oobe ooku oooo ootb otbd otcd oted otee oto- otoe otok otoo otte otto ottu oucc oudc oude oued out- outb oute outo ouu- tbcb tbcc tbcd tbce tccc tccu tcdd tctc tddb tebo tebu teck teco tect tedd tede tedk teec teed teek teet teke teok tete teto tett tetu teuk teut tkod tobe tobo tobt tobu toce tock toco todd tode todo todt todu toed toee toek toet toke toko toku tood took toot totc totd tote toto tott touk tout ttbb tteo ttoe tttt tubb tube tubo tubu tucc tuck tuco tude tudu tuet tuke tuko tute tuto tutt tutu tuuo ubbe ubbo ubek ubet uboc ubod ubud ucbc ucdc ucdd ucut udbc udet udoo udot uduk ukcc ukek ukeu ukko ukok uocc uoke utec utto uttu uuoc uuuu