bbbb bbci bbcm bbdd bbrc bcbc bccc bcci bccm bcru bcuc bd-r bdbc bddc bdii bdmi bdrm bibb bibi bicc bici bick bidi bidr bidu biku birb bird biri birk birr biru bmci bmdb bmic bmir bmmi brcb brdm bric brid brik brim brkb brmc brrm brrr bruc brud brum bubb bubi bubu bucc buci buck bucu budb budd budi budu buic buid buik buir buiu buki bukk buku bum- bumb bur- burb burd buri burk burm burr buru c-cd cbbc cbcc cbcm cbcr cbcu cbdb cbdc cbdi cbid cbir cbkm cbkr cbrd cbrm ccbc cccb cccc ccci cccm cccu ccdc ccdi ccdm ccdr ccic ccid ccii ccim ccir cckm ccmb ccmc ccmd ccmm ccrc ccri ccuc cd-r cddb cddr cdic cdii cibc cibi cicc cici cicr cicu cidc cidi cidr ciid ciii cikr cimb cimd cimi cimm cimr cirb circ ciri cirk cirm cirr ciuc ckbc ckbi ckck ckcm ckdm ckdu ckrc ckrd ckrm cmbc cmcc cmdb cmdr cmii cmir cmmb cmmc cmmi cmri cmrr crbc crbu crcc crcr crdc crib cric crik crim criu crkc crmb crub crud cruk crum cub- cubb cubi cucc cuci cuck cucm cudi cui- cuir cuk- cum- curb curd curi curr dbcc dcbc dccb dccc dcci dccu dcdb dcii dcim dcmi dcmu dcrk dddd ddrc ddub dibb dici dick didi didu diii diki diku dimi dimm dimu dird dirk dirr dkdc dkid dkim dmcc dmcm dmdc dmrb dmrc drbc drib dric drmk drub drui druk drum druu dub- dubb dubc dubu duck dudd dudu duid duir duki duku dumb dumi dumm duri durk duru duur ibbm ibid ibim ibrc ibrd ibri icbc icbd icbm iccb iccc icci iccr iccu icdc icdd icmc icmi icmm icrc icrm icrr icru icub idbm idcr iddm idic idid idir idku idrc idub iicd iiii iimc iirc iiuc iium ikid ikki ikri imbi imcb imci imck imdb imdi imid imir immi imrc imri imrr irbm ircc ircd ircu irdc iri- iric irid irki irmc irrc irri iucc iuiu k-ci k-id kbbb kbbc kbbd kbbi kbbk kbbm kbbr kbbu kbcb kbci kbck kbcr kbcu kbdb kbdi kbdr kbib kbic kbid kbik kbim kbiu kbkb kbkk kbkr kbmb kbmc kbmi kbmr kbrb kbrc kbrd kbri kbrk kbru kbub kbuc kbud kbuk kbur kbuu kcbc kcbd kcbi kcbk kcbr kcbu kccb kccc kccd kcci kcck kccr kccu kcdc kcdd kcdi kcdr kcdu kcic kcid kcii kcim kcir kciu kckc kckk kckm kckr kcmb kcmc kcmd kcmi kcmk kcmm kcmr kcrc kcri kcrr kcru kcub kcui kcuk kdbb kdbi kdbm kdbr kdcc kdcd kdcr kddb kddc kddd kddi kddk kddr kdic kdim kdkb kdkd kdkk kdkr kdmc kdmd kdmi kdmr kdrb kdri kdrm kdub kduc kdur kibb kibc kibi kibr kibu kicb kicc kicd kick kicm kicr kidb kidd kidi kidk kidr kidu kiic kiid kiii kiik kiiu kikc kikd kiki kikk kikr kiku kimb kimi kimm kirb kirc kiri kirk kirr kiru kiur kiuu kkbb kkbd kkbi kkbr kkcb kkcd kkci kkck kkcm kkcr kkdc kkdd kkdm kkic kkid kkik kkim kkkk kkmc kkmi kkmk kkmr kkrb kkrc kkrk kkrr kkuu kmbc kmbd kmbi kmbr kmcb kmcc kmcd kmci kmcm kmcr kmcu kmdb kmdr kmic kmid kmkk kmmk kmmm kmmr kmrb kmrc kmri kmrr kmuc kmud kmur krbb krbd krbi krbk krbm krbr krcb krcc krcd krci krcm krcu krdc krdd krdm krdr krdu krib krid krik krim krkc krkd krki krkk krkr krku krmb krmc krmd krmr krrb krrc krri krrk krrm krrr kruc krui kruk krum krur kubb kubc kubd kubr kubu kucb kucc kucd kuci kucr kudd kudi kudu kuic kuik kuki kukk kuku kumi kumm kumr kumu kurb kurd kuri kurk kurm kurr kuru kuub kuuk kuur kuuu mbci mbdb mbim mcbc mcbi mccc mccd mcci mcdc mcdd mcdi mcic mcii mckk mcmc mcmi mcrc mcrd mcri mdcc mdci mddm mdic mdii mdmc mdmk mdrc mdud mibc micc micd mici mick micr mid- midi miii miki mikk miku mim- mimd mimi mirc mird miri mirk mirr miru miui mmcc mmcd mmci mmcm mmdb mmdc mmdi mmic mmii mmmc mmmd mmmm mmrc mr-c mrbb mrbm mrcb mrcc mrdd mrkr mrmc mrmd mrrc mrud mruk mubi muc- mucc muck mucu mudd mudi mudu muid muir muki mumm mumu murc murd muri murk murr muru rbbb rbbr rbmk rcbc rccb rccc rcdc rcic rcid rcrd rdbm rdcm rib- ribu ricc rick ridc ridd ridi riki rikk riku rimi rimm rimu riri rrkm rrmc rrrr rrum rubb rubi rubu ruci ruck rudd rudi ruid ruki rukk ruku rumb rumi rumm rurc rurd ruri ruru ruud ubbi ubic ubid ubii ubik ubir ubud ucbc ucci ucdc ucdd ucmc ucrc udbc uddi udic udid udim udir udmc uduk uirr ukcc ukrc ukum ukur umb- umbi umik umri urbi urci urdu urib uric urik urim uriu urmi urri uruk urum urur uuri uuuu