bbbb bbcm bblb bbrc bcbc bccc bccl bccm bcor bcru bcuc blcu blob bloc blom bloo blou blrc blub blum blur bmoc bobb bobo bobu bocm boco bocu boll bolm bolo bolu bomb bomu boob booc bool boom boor bor- borm boro borr boru boul boum bour brcb brmc brob broc brol brom broo bror brou brrm brrr bruc brum bubb bubo bubu bucc buco bucu bulb bull bulu bum- bumb buol bur- burb burl burm buro burr buru c-bo cbbc cbcc cbcl cbcm cbcr cbcu cblb cblc cbol cbrl cbrm ccbc cccb cccc cccl cccm cccu cclc cclm ccmb ccmc ccmm ccob ccoc ccom ccrc ccrl ccuc clob clom cloo clor clou clro club clum cmbc cmcc cmll cmmb cmmc cmml cmoc cmrr cobb cobo cobu coco cocu col- colb coll colm colo colu com- comb comc coml comm como comr comu coob cool coom cor- corb corc corl corm coro corr coub coul cour crbc crbu crcc crcr crmb crmo crob croc crol crom croo cror crub crum cub- cubb cucc cucm culb culc cull culm culo cum- curb curl curo curr lbcc lblr lbmc lcbc lccc lccm lcor lcrl llcc lllc llll lloc lloo lmbo lmcc lmmr lob- lobb lobo locc loco locu loll lolo lomb lomm lomo lomu loob looc lool loom loor loro loul loum lour louu lrmc lroc lrrc lrrr lull lulu lumb lumc lumo mbou mcbc mccc mccl mcmc mcml mcrc mlcc mmcc mmcl mmcm mmmc mmmm mmor mmrc mobb mobo mocl moco moll molo molr momo momu moob mooc mool moor morb morl moro moru moul mour mr-c mrbb mrbm mrcb mrcc mrmc mrml mrrc mubo muc- mucc mucu mull mulm mulo mulu mumm mumo mumu murc murl muro murr muru obbo oblu obol obor obro ocbc occc oclc ocml ocom ocrl ocro ocrr ocul ocum ocur olbo olcc ollo olmo olom olor olur ombo ombu omo- omoo omor omro omul omuo oocr oolo oooo orbb orbo orbu orco orlo orlu ormo oro- orom oror orro orub orum oucc oulu our- ouro ouu- rbbb rbbr rbcl rcbc rcbo rccb rccc rlml rmll rob- robb robo robu rocc roco roll rolm rolo romb romm romo roob rool room roor rorc roro roru roub roul roum rrmc rrrr rrum rubb rubu rull rulo rumb ruml rumm rumo rurc ruro ruru ubbo ublo uboc ucbc ucmc ucom ucrc ulbc ulcc ulco ullo ullr ulmo ulmu ulo- uloc ulul ulum umb- umbo ummo umol umor uocc uolc uoml uomo uor- uro- urol urom uroo urum urur uulu uuoc uuuu