bbbb bbci bbcm bbfc bbrc bcbc bccc bcci bccm bcfc bcfm bcof bcor bcru bcuc bibb bibi bibo bicc bici bico biff bifi bimo bio- bioc bioi biou birb biri biro birr biru bmci bmfc bmic bmir bmmi bmoc bobb bobi bobo bobu bocm boco bocu boff bofu boi- boii boim boiu bomb bomi bomu boob booc boof boom boor bor- borf bori borm boro borr boru bouf boum bour brcb brfc brfm brfu bric brim brio brmc brob broc brom broo bror brou brrm brrr bruc brum bubb bubi bubo bubu bucc buci buco bucu bufc buff bufo bufr buic buif buir buiu bum- bumb bumf bur- burb buri burm buro burr buru c-bo cbbc cbcc cbcm cbcr cbcu cbfb cbfc cbir cbrm ccbc cccb cccc cccf ccci cccm cccu ccfc ccff ccfi ccic ccii ccim ccir ccmb ccmc ccmm ccob ccoc ccom ccrc ccrf ccri ccuc cfbc cfbr cfcb cfcf cfcm cfco cffb cffr cfmb cfmi cfmo cfmu cfom cfor cfrb cibc cibi cibo cicc cici cico cicr cicu ciff ciii cimb cimi cimm cimo cimr ciob cior cirb circ ciri cirm ciro cirr ciuc cmbc cmcc cmfb cmii cmir cmmb cmmc cmmi cmoc cmri cmrr cobb cobi cobo cobu coco cocu cofc coff cofi coif coir com- comb comc comm como comr comu coob coof coom cor- corb corc corf cori corm coro corr coub cour crbc crbu crcc crcr crfc crib cric crif crim criu crmb crmo crob croc crom croo cror crub crum cub- cubb cubi cucc cuci cucm cufc cuff cufi cufo cui- cuif cuir cum- curb curf curi curo curr fbom fccf fcic fcii fcim fcmr ffcc ffff ffii ffrr ficc fico fifc fiff fifi fifm fifo fiii fimo fimr fior firm fmic fmri foci foco fofo fomc fomo foof foom for- forb fori form foro forr four frbc frcc frfc frib fric frim frio frob from frou frub frum fubb fubu fuc- fuci fucm fufc fuff fufu fuir fumc fumi fumo fuor fur- furi furm furo furr ibbm ibfi ibim ibrc ibri ibro icbc icbm iccb iccc iccf icci icco iccr iccu icfb icmc icmi icmm icoc icom icor icrc icrf icrm icrr icru icub ifbb ifco ific ifim ifmc ifor ifrb ifrf ifri iiii iiio iimc iioi iioo iirc iiuc iium imbi imcb imci imco imfi imir immi immo imof imou imrc imri imro imrr iobi ioci iofc ioii ioio iomo ioof iooi iooo iori irbm ircc ircu irfm irfu iri- iric irio irmc irmo irob iroc irrc irri iucc iuiu mbci mbim mbio mbou mcbc mcbi mccc mcci mcfc mcic mcii mcmc mcmi mcrc mcri mfbm mfcc mfor mfou mfri mibc micc mici mico micr mifc miff mifi miii miio mim- mimi mimo mio- mirc miri miro mirr miru miui mmcc mmci mmcm mmff mmic mmii mmmc mmmm mmor mmrc mmrf mobb mobi mobo moco moff mofo mofu moif moii moio moir momi momo momu moob mooc moor morb morf mori moro moru mouf mour mr-c mrbb mrbm mrcb mrcc mrfc mrmc mrrc mubi mubo muc- mucc mucu mufc muff mufi mufu muir mumm mumo mumu murc muri muro murr muru obbo oboi obor obri obro ocbc occc occi ocom ocro ocrr ocum ocur ofcr off- offc offo offr offu ofor oici oiii oimb oium ombo ombu omic omim omio omo- omoi omoo omor omri omro omuo oobi oocr ooff oooo orbb orbi orbo orbu orci orco orff orfi orfu ori- oric orif orio ormo oro- orof orom oror orri orro orub orum oucc oufc ouff ouii ouir oumi our- ouro ouu- rbbb rbbr rcbc rcbo rccb rccc rcfc rcic rffc rfic rib- ribo ribu ricc rico riff rifu riif rimi rimm rimo rimu riom riou riri rmif rob- robb robi robo robu rocc roco rofc roff rofo roif roio roir roiu romb romi romm romo roob roof rooi room roor rorc rori roro roru roub rouf roum rrfc rrif rrmc rrrr rrum rubb rubi rubu ruci rufc ruff rufo ruif rumb rumi rumm rumo rurc ruri ruro ruru ubbi ubbo ubic ubii ubir uboc ucbc ucci ucfb ucio ucmc ucom ucrc ufcu uirr umb- umbi umbo umff ummo umor umri uocc uofm uofo uomo uor- urbi urci urff urfi urib uric urif urim uriu urmi uro- urom uroo urri urum urur uuoc uuri uuuu