bbbb bbci bbcm bbrc bcbc bccc bcci bccm bcor bcru bcuc bibb bibi bibo bicc bici bico bimo bio- bioc bioi biou birb biri biro birr biru bmci bmic bmir bmmi bmoc bobb bobi bobo bobu bocm boco bocu boi- boii boim boiu bomb bomi bomu boob booc boom boor bor- bori borm boro borr boru boum bour brcb bric brim brio brmc brob broc brom broo bror brou brrm brrr bruc brum bubb bubi bubo bubu bucc buci buco bucu buic buir buiu bum- bumb bur- burb buri burm buro burr buru c-bo cbbc cbcc cbcm cbcr cbcu cbir cbrm ccbc cccb cccc ccci cccm cccu ccic ccii ccim ccir ccmb ccmc ccmm ccob ccoc ccom ccrc ccri ccuc cibc cibi cibo cicc cici cico cicr cicu ciii cimb cimi cimm cimo cimr ciob cior cirb circ ciri cirm ciro cirr ciuc cmbc cmcc cmii cmir cmmb cmmc cmmi cmoc cmri cmrr cobb cobi cobo cobu coco cocu coir com- comb comc comm como comr comu coob coom cor- corb corc cori corm coro corr coub cour crbc crbu crcc crcr crib cric crim criu crmb crmo crob croc crom croo cror crub crum cub- cubb cubi cucc cuci cucm cui- cuir cum- curb curi curo curr ibbm ibim ibrc ibri ibro icbc icbm iccb iccc icci icco iccr iccu icmc icmi icmm icoc icom icor icrc icrm icrr icru icub iiii iiio iimc iioi iioo iirc iiuc iium imbi imcb imci imco imir immi immo imou imrc imri imro imrr iobi ioci ioii ioio iomo iooi iooo iori irbm ircc ircu iri- iric irio irmc irmo irob iroc irrc irri iucc iuiu mbci mbim mbio mbou mcbc mcbi mccc mcci mcic mcii mcmc mcmi mcrc mcri mibc micc mici mico micr miii miio mim- mimi mimo mio- mirc miri miro mirr miru miui mmcc mmci mmcm mmic mmii mmmc mmmm mmor mmrc mobb mobi mobo moco moii moio moir momi momo momu moob mooc moor morb mori moro moru mour mr-c mrbb mrbm mrcb mrcc mrmc mrrc mubi mubo muc- mucc mucu muir mumm mumo mumu murc muri muro murr muru obbo oboi obor obri obro ocbc occc occi ocom ocro ocrr ocum ocur oici oiii oimb oium ombo ombu omic omim omio omo- omoi omoo omor omri omro omuo oobi oocr oooo orbb orbi orbo orbu orci orco ori- oric orio ormo oro- orom oror orri orro orub orum oucc ouii ouir oumi our- ouro ouu- rbbb rbbr rcbc rcbo rccb rccc rcic rib- ribo ribu ricc rico rimi rimm rimo rimu riom riou riri rob- robb robi robo robu rocc roco roio roir roiu romb romi romm romo roob rooi room roor rorc rori roro roru roub roum rrmc rrrr rrum rubb rubi rubu ruci rumb rumi rumm rumo rurc ruri ruro ruru ubbi ubbo ubic ubii ubir uboc ucbc ucci ucio ucmc ucom ucrc uirr umb- umbi umbo ummo umor umri uocc uomo uor- urbi urci urib uric urim uriu urmi uro- urom uroo urri urum urur uuoc uuri uuuu