bbbb bbci bbcm bbdd bblb bcbc bccc bcci bccl bccm bdbc bddc bdii bdmi bibb bibi bibl bicc bici bidi bild bili bill bldc blic blim bmci bmdb bmic bmmi c-cd cbbc cbcc cbcl cbcm cbdb cbdc cbdi cbid cblb cblc ccbc cccb cccc ccci cccl cccm ccdc ccdi ccdm ccic ccid ccii ccil ccim cclc ccli cclm ccmb ccmc ccmd ccmm cddb cddl cdic cdii cdli cibc cibi cicc cici cidc cidi ciid ciii cili cill cimb cimd cimi ciml cimm clcd cldc clib clic clii clim clmd cmbc cmcc cmdb cmii cmli cmll cmmb cmmc cmmi cmml dbcc dcbc dccb dccc dcci dccl dcdb dcii dcil dcim dcli dcmi dcml dddd ddlc dibb dici didi diii dili dill dimi dimm dlbd dlib dlii dlil dmcc dmcm dmdc ibbm ibid ibim ibml icbc icbd icbm iccb iccc icci iccl icdc icdd icdl icll icmc icmi icmm idbm iddm idic idid idil idli iicd iiii iimc ilbc ilbm ilcd ilic ill- illd illi imbi imcb imci imdb imdi imid imli immi lbcc lbmc lcbc lccc lccm lcdd ldci lddm libc lidb lidl liii lilb lili lill limb limc limi liml limm llcc lldb lldc lllc llll lmcc lmii mbci mbdb mbim mcbc mcbi mccc mccd mcci mccl mcdc mcdd mcdi mcdl mcic mcii mcil mcli mcmc mcmi mcml mdcc mdci mdcl mddl mddm mdic mdii mdil mdli mdmc mibc micc micd mici mid- midi midl miii mild mili mill mim- mimd mimi mlcc mlii mmcc mmcd mmci mmcl mmcm mmdb mmdc mmdi mmdl mmic mmii mmli mmmc mmmd mmmm