bbbb bbdd bbeb bbrc bcbc bccc bcde bcec bcer bcru bcuc bd-r bdbc bddc bdry bebb bebe beby beck becu bede bedu beeb beed beek beer beey beke berc berd bere berk berr beru bery beuk beur beye beyk bkcy bkry brcb brce brdy breb brec bred bree brek brer brey brkb brrr bruc brud brue bry- bryd brye bryk bubb bube bubu bucc buce buck bucu budb budd bude budu budy buer bueu buke bukk buku buky bur- burb burd bure burk burr buru bury buyu byce byck byde byed byer byke byrd byre byrk byyd c-cd cbbc cbcc cbce cbcr cbcu cbdb cbdc cbec cbee cber cbkr cbrd cbre cbry ccbc cccb cccc cccu ccdc ccdr cced ccee ccrc ccre ccuc cd-e cd-r cddb cddr cdec cder cdre cebu cec- cece cedd cede cedu cedy ceeb ceec ceke cer- cerc cerd cere cery ceyu ckbc ckbe ckck ckcy ckdu cker ckey ckrc ckrd ckry crbc crbu crcc crce crcr crdc cre- creb crec cred cree creu crkc crub crud crue cruk cry- cryb cub- cubb cube cuby cucc cuce cuck cude cued cuek cuer cuk- cuke curb curd cure curr cury cuy- cuyr cybb cybc cyc- cycb cycc cyke cyre cyrk cyy- cyyc dbcc dc-y dcbc dccb dccc dccu dcdb dcrk dddd ddrc ddre ddry ddub debe debu deby dec- decc decd dece deck dedd dede dedu deeb deed deek deer dek- deke der- derb derc dere derk derr dery deue deuk deur deye deyr dkdc dkey drbc dred dree drek drey drub drue druk druu dry- drye dub- dubb dubc dube dubu duby duce duck dudd dude dudu duer duey duke duku dure durk duru dury duur duyr dybe dybu dycd dyce dyck dycu dydd dyde dyed dyer dyey dyke dykr dyku dyr- dyrb dyrc dyre dyrk dyru dyur dyyr ebbc ebbr ebby ebcc ebed eber ebru ebur ecbc ecbe eccb eccc ecce ecdc eced ecky ecrc ecrr ecru ecyd eddc edde eddy ede- eder edru educ edur eeby eede eedu eeee eeke eerc eery ekeb eked ekek eker ekur erbb erbe ercc erce erde ereb erec ered erer erke errc erre erub eruc erur eryc erye eubc eucd eude euer eur- eurc eure eury eyck eyeb eyec eyed eyer eyey eyke eyre eyry eyyr kbbb kbbc kbbd kbbe kbbk kbbr kbbu kbcb kbce kbck kbcr kbcu kbcy kbdb kbde kbdr kbdy kbeb kbec kbed kbee kbek kber kbey kbkb kbkk kbkr kbky kbrb kbrc kbrd kbre kbrk kbru kbry kbub kbuc kbud kbue kbuk kbur kbuu kbuy kbyb kbyr kbyu kcbc kcbd kcbk kcbr kcbu kccb kccc kccd kcck kccr kccu kccy kcdc kcdd kcdr kcdu kcdy kceb kcec kced kcee kceu kcey kckc kckk kckr kcky kcrc kcrr kcru kcry kcub kcue kcuk kcye kcyk kcyy kdbb kdbr kdcc kdcd kdce kdcr kddb kddc kddd kddk kddr kdeb kdec kdkb kdkd kdkk kdkr kdrb kdry kdub kduc kdur kdyk kebb kebc kebe kebr kebu keck kecr kedb kedc kedd kede kedr kedy keed keek keer kekb kekc keke keku ker- kerb kerc kere kerk kerr keru keur keyb keye keyu keyy kkbb kkbd kkbe kkbr kkcb kkcd kkck kkcr kkcy kkdc kkdd kkdy kked kkkk kkrb kkrc kkre kkrk kkrr kkuu kkyc kkyy krbb krbd krbe krbk krbr krcb krcc krcd krce krcu krdc krdd krde krdr krdu krdy kreb krec kred kree krek kreu krkc krkd krke krkk krkr krku krky krrb krrc krre krrk krrr krry kruc krue kruk krur kryd krye kryk kryy kubb kubc kubd kube kubr kubu kuby kucb kucc kucd kuce kucr kudd kude kudu kued kuek kueu kuke kukk kuku kuky kurb kurd kure kurk kurr kuru kury kuub kuuk kuur kuuu kuyu kuyy kybb kybc kybe kybr kyby kycc kyck kycr kydd kyde kydy kyee kykc kykd kyke kykk kykr kyky kyrc kyre kyrk kyuk kyur kyuu kyyk kyyy rbbb rbbr rcbc rccb rccc rcdc rcde rcrd rcyc rder rebb rebe rebk rebu recc recd rece reck recr recu recy redc redd rede redr redu redy reeb reed reek reke reky rerd rere reru rery reue reuk reuu reyd reye reyk rred rrrr rubb rube rubu ruby ruce ruck rudd rude rudy rued ruer ruke rukk ruku rurc rurd rure ruru ruud ruyd rybe ryck ryde rydy ryeb ryke ryue ryuk ubbe ubek uber ubud ucbc ucdc ucdd ucky ucrc udbc uder uduk ukcc ukek ukeu ukky ukrc ukur urbe urcy urde urdu urdy ure- ured urey urke urre urry uruk urur uuuu uyre yber ybry yccc ycee ydee ydre ye-u yeck yedd yede yeed yeek yeer yeke yerb yerd yere yerk yerr yery yeue yeuk yeye yeyr ykey yrke yubu yuce yuck yude yudu yued yuer yuke yuku yuky yurd yure yury yuye yuyu yyyy