-ism bbbb bbbs bbci bbcm bbdd bbrc bcbc bcbs bccc bcci bccm bccs bcds bcis bcms bcrs bcru bcsc bcsm bcss bcuc bd-r bdbc bddc bdii bdmi bdrm bdsd bdsm bibb bibi bibs bicc bici bick bics bidi bidr bids bidu biis biku bims birb bird biri birk birr birs biru bis- bisc bisd bisk biss bisu bmci bmdb bmic bmir bmmi bmus brcb brdm brds bric brid brik brim bris brkb brmc brrm brrr brrs brsb brsr bruc brud brum brus bsbd bsci bscs bsic bsim bsms bsrd bsrm bssc bssd bssm bubb bubi bubs bubu bucc buci buck bucs bucu budb budd budi buds budu buic buid buik buir buis buiu buki bukk buku bum- bumb bums bur- burb burd buri burk burm burr burs buru busc busi busk buss busu buus c-cd cbbc cbbs cbcc cbcm cbcr cbcs cbcu cbdb cbdc cbdi cbds cbid cbir cbkm cbkr cbms cbrd cbrm cbsc cbsi cbsm cbus ccbc cccb cccc ccci cccm cccs cccu ccdc ccdi ccdm ccdr ccds ccic ccid ccii ccim ccir ccis cckm ccmb ccmc ccmd ccmm ccms ccrc ccri ccrs ccsd ccsi ccss ccuc ccus cd-r cdcs cddb cddr cdic cdii cdis cdms cdrs cdss cibc cibi cicc cici cicr cics cicu cidc cidi cidr cids ciid ciii ciis cikr cimb cimd cimi cimm cimr cims cirb circ ciri cirk cirm cirr cirs cis- cisc cisd cisk cism cisr ciss ciuc cius ckbc ckbi ckck ckcm ckcs ckdm ckdu ckrc ckrd ckrm cksb cmbc cmbs cmcc cmcs cmdb cmdr cmii cmir cmmb cmmc cmmi cmms cmri cmrr cmrs cmsc cmus crbc crbu crcc crcr crdc crib cric crik crim cris criu crkc crmb crms crss crub crud cruk crum crus csbm cscb cscc cscd csci cscr cscs csdb csdr csib csid csik csir csis csks csmc csmu csrc csrd csrs cssd cssm cssr csum csur csus cub- cubb cubi cubs cucc cuci cuck cucm cudi cuds cui- cuir cuis cuk- cum- cums curb curd curi curr curs cusb cusd cusk cuss cusu dbcc dbcs dbms dbrs dbss dbus dcbc dccb dccc dcci dccs dccu dcdb dcds dcii dcim dcis dcmi dcms dcmu dcrk dcsc dcss dddd ddrc ddss ddub dibb dibs dici dick didi dids didu diii diis diki diku dimi dimm dims dimu dird dirk dirr dirs dis- disc disd disi disk diss dius dkdc dkid dkim dkms dmcc dmcm dmcs dmdc dmds dmrb dmrc dmss dmus drbc drib dric drmk drms drrs drub drui druk drum drus druu dsbc dscc dscr dscs dsdm dsdr dsmb dsmc dsms dsrc dsri dsrr dssc dssi dub- dubb dubc dubs dubu duck ducs dudd duds dudu duid duir duis duki duku dumb dumi dumm dums duri durk duru dusi dusk duur ibbm ibcs ibid ibim ibis ibms ibrc ibrd ibri ibss ibus icbc icbd icbm icbs iccb iccc icci iccr iccs iccu icdc icdd icis icks icmc icmi icmm icms icrc icrm icrr icrs icru icsb icsc icsd icsi icsr icss icub icus idbm idcr iddm idic idid idir idis idku idms idrc idsc idss idub idus iicd iiii iiis iimc iirc iirs iisc iisd iisi iism iisr iisu iiuc iium ikid ikki ikri iksu imbi imcb imci imck imcs imdb imdi imds imid imir immi imms imrc imri imrr imsc imsi imsk imsr imss imsu imus irbm ircc ircd ircs ircu irdc irds iri- iric irid iris irki irks irmc irms irrc irri irrs irus isbd iscc iscd isci iscr iscs iscu isdb isdc isds isic isim isis isku ismc ismi isms isri issc issi issr isss issu isum isus iucc iuds iuiu iums iusd iuss k-ci k-id kbbb kbbc kbbd kbbi kbbk kbbm kbbr kbbs kbbu kbcb kbci kbck kbcr kbcs kbcu kbdb kbdi kbdr kbds kbib kbic kbid kbik kbim kbis kbiu kbkb kbkk kbkr kbmb kbmc kbmi kbmr kbms kbrb kbrc kbrd kbri kbrk kbru kbsb kbsi kbsk kbsm kbsr kbss kbsu kbub kbuc kbud kbuk kbur kbus kbuu kcbc kcbd kcbi kcbk kcbr kcbs kcbu kccb kccc kccd kcci kcck kccr kccu kcdc kcdd kcdi kcdr kcds kcdu kcic kcid kcii kcim kcir kcis kciu kckc kckk kckm kckr kcmb kcmc kcmd kcmi kcmk kcmm kcmr kcms kcrc kcri kcrr kcrs kcru kcsb kcsc kcsd kcsi kcsm kcsr kcss kcsu kcub kcui kcuk kdbb kdbi kdbm kdbr kdbs kdcc kdcd kdcr kddb kddc kddd kddi kddk kddr kdic kdim kdis kdkb kdkd kdkk kdkr kdmc kdmd kdmi kdmr kdms kdrb kdri kdrm kdrs kdsc kdsd kdsk kdsm kdsr kdss kdsu kdub kduc kdur kdus kibb kibc kibi kibr kibs kibu kicb kicc kicd kick kicm kicr kics kidb kidd kidi kidk kidr kids kidu kiic kiid kiii kiik kiis kiiu kikc kikd kiki kikk kikr kiku kimb kimi kimm kims kirb kirc kiri kirk kirr kirs kiru kisc kisd kisi kisk kism kisr kiss kisu kiur kiuu kkbb kkbd kkbi kkbr kkbs kkcb kkcd kkci kkck kkcm kkcr kkcs kkdc kkdd kkdm kkic kkid kkik kkim kkkk kkmc kkmi kkmk kkmr kkms kkrb kkrc kkrk kkrr kkrs kksd kksi kksm kksr kkss kksu kkus kkuu kmbc kmbd kmbi kmbr kmbs kmcb kmcc kmcd kmci kmcm kmcr kmcs kmcu kmdb kmdr kmds kmic kmid kmis kmkk kmks kmmk kmmm kmmr kmms kmrb kmrc kmri kmrr kmrs kmsb kmsc kmsd kmsi kmsr kmss kmsu kmuc kmud kmur kmus krbb krbd krbi krbk krbm krbr krcb krcc krcd krci krcm krcs krcu krdc krdd krdm krdr krds krdu krib krid krik krim kris krkc krkd krki krkk krkr krks krku krmb krmc krmd krmr krms krrb krrc krri krrk krrm krrr krrs krsc krsd krsk krsr krss krsu kruc krui kruk krum krur ksbc ksbi ksbr ksbs kscb ksci ksck kscm kscr kscs kscu ksdc ksdi ksdk ksdm ksdr ksds ksib ksid ksii ksik ksim ksir ksis kskb kskd kskk kskr ksks ksku ksmb ksmc ksmd ksmm ksmr ksms ksmu ksrb ksrm ksrr ksrs kssi kssm kssr ksss kssu ksub ksud ksui ksum ksuu kubb kubc kubd kubr kubs kubu kucb kucc kucd kuci kucr kudd