bbbb bbci bbcm bbeb bbet bbrc bcbc bccc bcci bccm bcec bcer bcet bcie bcit bcru bctc bcuc bebb bebe bebi beci becu beeb beem beer beet beic beim beir beit beme bemu berc bere beri berm berr bert beru betc bete beti bett betu beur bibb bibe bibi bicc bice bici bieb bier biet bieu birb bire biri birr birt biru bitc bite bitt bitu bmce bmci bmic bmir bmmi bmtc brcb brce breb brec bree brei brem brer bret bric brie brim brit brmc brrm brrr brtc bruc brue brum brut btcc btec btie btrc btrt bttb bubb bube bubi bubu bucc buce buci bucu buem buer bueu buic buie buir buit buiu bum- bumb bur- burb bure buri burm burr burt buru but- bute buti butt cbbc cbcc cbce cbcm cbcr cbct cbcu cbec cbee cber cbet cbir cbit cbme cbre cbrm cbrt cbtc ccbc cccb cccc ccci cccm cccu ccee ccic ccii ccim ccir ccmb ccmc ccmm ccrc ccre ccri ccrt cctb cctc cctt ccuc ccut cebu cec- cece ceci cecm cect ceeb ceec ceem ceim cemb ceme cemm cemr cemu cer- cerc cere ceri cert cet- cete ceti ceui cibc cibe cibi cicc cici cicr cict cicu ciee cier ciii ciit cimb cime cimi cimm cimr cirb circ cire ciri cirm cirr cirt citb cite citi citt citu ciuc cmbc cmcc cmec cmii cmir cmmb cmmc cmmi cmri cmrr cmtc cmtu crbc crbu crcc crce crcr cre- creb crec cree crei crem cret creu crib cric crie crim crit criu crmb crrt crtc crtm crub crue crum crut ctbi ctec ctic ctrc ctrm cub- cubb cube cubi cucc cuce cuci cucm cuer cui- cuir cuit cum- cume cumt curb cure curi curr curt cut- cutc cute cutt ebbc ebbr ebcc eber ebic ebit ebru ebur ecbc ecbe eccb eccc ecce ecci eccm ecct ecem ecib ecim ecit ecmi ecrc ecri ecrm ecrr ecru ect- ectc eeee eerc eetc eete eetu eiec eiei eier eime eimi eire eitb eitc eiti eitm eitr embe embi embr emcc emer emet emeu emic emii emim emir emit emme emmi emmu emre emte erbb erbe ercc erce ereb erec erei erem erer eret eric erie erim erit eriu ermc erme errc erre ertu erub eruc erum erur etbc etbr etcc etec etee etem eter etic etim etre etrm ette etti ettu etui eubc eubi euer eumc eur- eurc eure eurt i-be ibbm ibec ibet ibie ibim ibrc ibri ibtb ibtc icbc icbm iccb iccc icci iccr icct iccu icec icee icem icer icet icmc icme icmi icmm icmt icrc icre icrm icrr icrt icru icub icue iecc ieet ieie ieme iere ieri ietm iett iiie iiii iiit iimc iirc iitm iitr iitt iiuc iium imbe imbi imcb imci imec imer imet imir imit imme immi immt imrc imre imri imrr imue irbe irbm ircc ircu iree irem irer iri- iric irie irmc irrc irre irri irte irti itbe itcm itec item iter itet itic itie itim itme itri itum itur iucc iuce iuiu mbci mbim mcbc mcbi mccc mcci mcic mcii mcit mcmc mcmi mcmt mcrc mcri mctc mctu mebe mec- mecc mece mecr meem meer meet meic meir meit memc meme memr memu mer- merb merc mere meri merm mert meru met- mete meti mett metu meum mibc micc mice mici micr mict miee miem mier miet mieu miii miit mim- mime mimi mirc mire miri mirr mirt miru mit- mitb mitc mite miti mitm mitt mitu miui mmcc mmci mmcm mmct mmic mmii mmmc mmmm mmrc mr-c mrbb mrbm mrcb mrcc mrce mreb mree mrmc mrrc mrtm mrtt mtbc mtcr mtrc mtre mtrr mttr mtuc mube mubi muc- mucc muce mucu muee muet muie muir muit mume mumm mumu murc mure muri murr murt muru mute muti mutt mutu muut rbbb rbbr rcbc rccb rccc rcet rcic rctc rcti rebb rebe rebu recc rece reci recm recr rect recu reeb reem reet reii reim reir reit reiu reme remi rere reri rert reru rete reti retr rett reue reut reuu rib- ribe ribu ricc rice rict riem rier riet rieu rime rimi rimm rimu rire riri rite riti ritt ritu riue rmtu rrmc rrrr rrum rtcc rtce rtcm rtee rtei rtmc rtmi rubb rube rubi rubu ruce ruci ruct ruer ruet ruit rumb rume rumi rumm rumt rurc rure ruri ruru rute ruti rutt rutu tbcb tbcc tbce tbit tbrb tccc tccu tctc tebu tecr tect teec teem teer teet teic teie teim teir teiu teme temu ter- terc tere teri term terr teru tete teti tetr tett tetu teut tibi tibu ticc tice tie- tiee tiei tier tiet tiit tiiu time timi timm timu tirb tire tiri tirr tiru titc tite titi titt titu tium tmbc tmbr tmcc tmcm tmtt trcc tre- trec tree trei trem tret treu tri- trib tric trie trim trit trmb trmi trmu trtc trte trtr trub truc true trut truu ttbb tter ttim tttt tubb tube tubr tubu tucc tuei tuer tuet tuim tuit tuiu tumb tume tumi tumu turb turc ture turi turm turr turt turu tute tuti tutt tutu tuum u-ie ubbe ubbi uber ubet ubic ubii ubir ubit ucbc ucci ucmc ucrc ucut ueir uirr umb- umbe umbi umec umer umet umit umri umut urbe urbi urci ure- uret urib uric urie urim uriu urmi urre urri urte urum urur urut utec uter utmb utri utti uttu uuri uuuu