bbbb bbbs bbcm bbeb bbrc bcbc bcbs bccc bccm bccs bcec bcer bces bcms bcrs bcru bcsc bcsm bcss bcuc bebb bebe beck becs becu beeb beek beem beer bees beke beks beme bemu berc bere berk berm berr bers beru bes- bese besk besm bess beuk beur beze bezu bmce bmus brcb brce breb brec bree brek brem brer bres brez brkb brmc brrm brrr brrs brsb brsr bruc brue brum brus bruz bscs bseb bsec bsee bser bses bsms bsrm bssc bsse bssm bubb bube bubs bubu bucc buce buck bucs bucu bucz buem buer bueu buke bukk buku bum- bumb bums bur- burb bure burk burm burr burs buru burz busc buse busk buss busu buus buuz buze buzz bzer bzrk bzzz cbbc cbbs cbcc cbce cbcm cbcr cbcs cbcu cbec cbee cber cbkm cbkr cbme cbms cbre cbrm cbsc cbse cbsm cbus ccbc cccb cccc cccm cccs cccu ccee cckm ccmb ccmc ccmm ccms ccrc ccre ccrs ccss ccuc ccus cebs cebu cec- cece cecm cecs ceeb ceec ceem cees ceke cemb ceme cemm cemr cems cemu cer- cerc cere cers cesc cese cesr cess ceze ckbc ckbe ckck ckcm ckcs ckem cker ckrc ckrm cksb cmbc cmbs cmcc cmcs cmec cmes cmmb cmmc cmms cmrr cmrs cmsc cmse cmus crbc crbu crcc crce crcr crcz cre- creb crec cree crem cres creu crkc crmb crms crss crub crue cruk crum crus cruz csbm cscb cscc csce cscr cscs csec csee csem cser csks csmc csmu csrc csrs csse cssm cssr csum csur csus cub- cubb cube cubs cucc cuce cuck cucm cuek cuer cues cuk- cuke cum- cume cums curb cure curr curs cusb cusk cuss cusu ebbc ebbr ebbs ebcc eber ebes ebru ebur ebus ecbc ecbe eccb eccc ecce eccm ecem eces ecks ecrc ecrm ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eeke eeks eems eerc eers eese eesk eeze ekeb ekek eker ekes ekur embe embr embs emcc emcs emek emer emes emeu emks emme emms emmu emre emrs emse emus erbb erbe ercc erce ereb erec erem erer eres erez erke erks ermc erme erms errc erre errs erse erub eruc erum erur erus esbs escb esce escm escr escs escu esee esek esem eser eses eske esks esku esme esmr esse essu esus eubc euer eumc eums eur- eurc eure euse ezek ezem ezer ezuz kbbb kbbc kbbe kbbk kbbm kbbr kbbs kbbu kbbz kbcb kbce kbck kbcr kbcs kbcu kbcz kbeb kbec kbee kbek kber kbes kbez kbkb kbkk kbkr kbkz kbmb kbmc kbme kbmr kbms kbrb kbrc kbre kbrk kbru kbrz kbsb kbsk kbsm kbsr kbss kbsu kbsz kbub kbuc kbue kbuk kbur kbus kbuu kbuz kbzc kbze kbzm kbzs kbzu kbzz kcbc kcbk kcbr kcbs kcbu kccb kccc kcck kccr kccu kceb kcec kcee kceu kcez kckc kckk kckm kckr kckz kcmb kcmc kcme kcmk kcmm kcmr kcms kcrc kcrr kcrs kcru kcrz kcsb kcsc kcse kcsm kcsr kcss kcsu kcub kcue kcuk kcuz kcze kczz kebb kebc kebe kebr kebu keck kecr keek keem keer kees kekb kekc keke keks keku kemb kemc keme kemm kemr kems kemu ker- kerb kerc kere kerk kerm kerr kers keru kerz kesb kesc kesk kesr kess kesz keur keus kezb keze kezm kezr kezz kkbb kkbe kkbr kkbs kkbz kkcb kkck kkcm kkcr kkcs kkez kkkk kkmc kkmk kkmr kkms kkrb kkrc kkre kkrk kkrr kkrs kkrz kkse kksm kksr kkss kksu kkus kkuu kkzu kkzz kmbc kmbr kmbs kmbz kmcb kmcc kmce kmcm kmcr kmcs kmcu kmcz kmem kmer kmez kmke kmkk kmks kmkz kmme kmmk kmmm kmmr kmms kmmz kmrb kmrc kmrr kmrs kmsb kmsc kmse kmsr kmss kmsu kmuc kmue kmur kmus kmuz kmze kmzk kmzr kmzu kmzz krbb krbe krbk krbm krbr krbz krcb krcc krce krcm krcs krcu kreb krec kree krek krem kres kreu krez krkc krke krkk krkr krks krku krkz krmb krmc krme krmr krms krrb krrc krre krrk krrm krrr krrs krrz krsc krse krsk krsr krss krsu kruc krue kruk krum krur kruz krze krzk krzr krzs krzz ksbc ksbr ksbs ksbz kscb ksce ksck kscm kscr kscs kscu ksec ksee ksek ksem kser ksez kskb kske kskk kskr ksks ksku kskz ksmb ksmc ksme ksmm ksmr ksms ksmu ksrb ksrm ksrr ksrs ksrz ksse kssm kssr ksss kssu kssz ksub ksue ksum ksuu kszr kubb kubc kube kubr kubs kubu kucb kucc kuce kucr kuek kues kueu kuke kukk kuks kuku kume kumm kumr kumu kurb kure kurk kurm kurr kurs kuru kurz kusb kusc kusu kuub kuuk kuur kuuu kuuz kuze kuzu kuzz kzbb kzbe kzbk kzbr kzbs kzbz kzcr kzee kzer kzke kzkr kzks kzkz kzmc kzme kzmk kzmu kzmz kzrb kzrc kzrk kzrm kzrr kzrs kzrz kzsb kzsc kzse kzsu kzue kzum kzus kzuu kzuz kzzb kzzk kzzr kzzs kzzz mbbs mbcs mbes mbms mbrs mbus mcbc mccc mces mckk mcmc mcrc mcse mcss mebe mec- mecc mece meck mecr mecs meek meem meer mees meez meke memc meme memr mems memu memz mer- merb merc mere merk merm mers meru merz mes- mesc mese mesr mess meum meus meze mezz mker mkks mksm mmcc mmcm mmcs mmes mmmc mmmm mmms mmrc mmsc mmse mmsu mmus mr-c mrbb mrbm mrbs mrcb mrcc mrce mrcs mreb mree mres mrkr mrmc mrrc mrsc mrse mruk mscc msce msec msee msem msmb msmc msmm msms msmu msrb mssm mssr msus mube mubs muc- mucc muce muck mucu muee mues muke mume mumm mums mumu murc mure murk murr murs muru musc muse musk muss musu muze muzz mze mzee rbbb rbbr rbbs rbmk rbms rbss rcbc rccb rccc rccs rcms rcsc rcss rebb rebe rebk rebs rebu recc rece reck recm recr recs recu recz reeb reek reem rees reke reks reme rems rere rers reru rese ress reue reuk reus reuu reze rezu rkss rmbs rmsc rrkm rrmc rrrr rrum rscc rscs rsee rsme rsre rsum rubb rube rubs rubu ruce ruck ruer rues