bbbb bbci bbcm bblb bcbc bccc bcci bccl bccm bcuc bibb bibi bibl bicc bici bili bill bilu blcu blic blim blub blum bmci bmic bmmi bubb bubi bubu bucc buci bucu buic buiu bulb buli bull bulu bum- bumb cbbc cbcc cbcl cbcm cbcu cblb cblc ccbc cccb cccc ccci cccl cccm cccu ccic ccii ccil ccim cclc ccli cclm ccmb ccmc ccmm ccuc cibc cibi cicc cici cicu ciii cili cill cimb cimi ciml cimm ciuc clib clic clii clim club clum cmbc cmcc cmii cmli cmll cmmb cmmc cmmi cmml cub- cubb cubi cucc cuci cucm cui- cuil culb culc cull culm cum- ibbm ibim ibml icbc icbm iccb iccc icci iccl iccu icll icmc icmi icmm icub iiii iimc iiuc iium ilbc ilbm ilic ill- illi ilum imbi imcb imci imli immi iucc iuiu lbcc lbmc lcbc lccc lccm libc libu liii lilb lili lill lilu limb limc limi liml limm limu llcc lllc llll lmcc lmii luci luli lull lulu lumb lumc lumi mbci mbim mcbc mcbi mccc mcci mccl mcic mcii mcil mcli mcmc mcmi mcml mibc micc mici miii mili mill milu mim- mimi miui mlcc mlii mmcc mmci mmcl mmcm mmic mmii mmli mmmc mmmm mubi muc- mucc mucu muil muli mull mulm mulu mumm mumu ubbi ubic ubii ubli ucbc ucci ucil ucmc uiml ulbc ulcc ulic ulim ulli ulmi ulmu ulul ulum umb- umbi uulu uuuu