-ing bbbb bbci bbcm bbgm bbin bblb bbmg bbng bbrc bbrg bcbc bcbg bccc bcci bccl bccm bcnu bcru bcuc bgun bibb bibi bibl bicc bicg bici bigb bigc bigg bign bigu biin bili bill bilu bin- binc bing bini binn binu birb birg biri birl birn birr biru blcu blic blim blin blir blni blrc blrg blub blum blur bmci bmic bmir bmmi bnib bnim bnin bnml bnrr brcb bric brig bril brim brin brmc brrm brrr bruc brug brum brun bubb bubi bubu bucc buci bucu bugg bugi buic buin buir buiu bulb bulg buli bull bulu bum- bumb bunb bung buni bunn bunu bur- burb burg buri burl burm burn burr buru cbbc cbcc cbcl cbcm cbcn cbcr cbcu cbgb cbir cblb cblc cbln cbrl cbrm cbrn ccbc ccbn cccb cccc ccci cccl cccm cccu ccgc ccic ccii ccil ccim ccir cclc cclg ccli cclm ccmb ccmc ccmm ccnb ccnc ccni ccnm ccnr ccnu ccrc ccrg ccri ccrl ccuc cgcc cgcg cgmc cibc cibi cicc cici cicr cicu cigi cigu ciii cili cill cimb cimi ciml cimm cimr cin- cinc cing cini cirb circ ciri cirl cirm cirr ciuc clib clic clig clii clim clin clir clmg clri club clum clun cmbc cmcc cmii cmin cmir cmli cmll cmmb cmmc cmmi cmml cmmn cmri cmrn cmrr cnbc cnbl cnbm cnci cngi cnib cnic cnrc cnrr crbc crbu crcc crcr crib cric crig crim crin criu crmb crmn crub crug crum crun cub- cubb cubi cucc cuci cucm cucn cui- cuil cuin cuir culb culc cull culm cum- curb curi curl curn curr gbmc gc-c gcbc gccc gcic gcii gclc gclm gcmc gcrg ggcl gggg ggrn gibb gicr gigg gigi gign gilg gili gill ging gini ginn ginu girg giri girl girn girr giru giur glbc glcc gli- glib glic glim glin glmn glrb glub glug glui glum glun glur gmlc gmml gmmr gncc gngc gnib gnin gnrc gnrr grbr grcc grib gric grig gril grim grin grml grni grrl grrr grub grug grui grum grun grur gubb gubi gubu guci gugb gugg gugi gugu guib guil guin gulb guli gull gulu gumb gumi gumm gung gunn gurb gurg guri gurl gurn gurr guru ibbm ibim ibml ibrc ibri icbc icbm iccb iccc icci iccl iccn iccr iccu icgc icll iclr icmc icmi icmm icnb icnc icrc icrm icrr icru icub igbc igcc igcm igil igli iglu igni ignu igri iiii iimc iinm iirc iiuc iium ilbc ilbm ilic ilin ilir ill- illi ilmr ilni ilrm ilum imbi imcb imci imin imir imli immi imrc imri imrr imun incb inci incl incr inig inni innr innu inri inui inul inun irbm ircc ircg ircu irgm iri- iric irig iril irin irlb irmc irrc irri irul irun iucc iuiu lbcc lblr lbmc lbug lcbc lccc lccm lcrg lcrl lgbu lgin lgmn libc libr libu licr ligc ligg ligi lign liig liii liin liir lilb lilg lili lill lilu limb limc limi liml limm limn limu linc ling linn lirc lirg liri lirl lirn lirr liru liun llcc llgc lllc llll lmcc lmii lmln lmmr lncr lrgb lric lrmc lrrc lrrr luci lugg lugi lugu luin luli lull lulu lumb lumc lumi lung luni lunn lurg luri mbci mbim mcbc mcbi mccc mcci mccl mcic mcii mcil mcli mcmc mcmi mcml mcrc mcri mcug mgrm mibc micc mici micr migg migi migu miii miin mili mill miln milr milu mim- mimi minc ming mini minn minu mirc mirg miri mirl mirr miru miui mlcc mlii mlin mlnr mmcc mmcg mmci mmcl mmcm mmgn mmic mmii mmli mmmc mmmm mmrc mmun mnbb mngr mnin mr-c mrbb mrbm mrcb mrcc mrgn mrln mrmc mrml mrnc mrng mrrc mubi muc- mucc mucu mugg mugi mugu muil muin muir muli mull mulm mulu mumm mumu munc mung muni munn munu murc murg muri murl murn murr muru n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nccr nccu ncgr nclc ncln nclr ncmi ncmm ncnc ncrc ncri ngic ngmn ngri ngur nguu nibi nibm nicc nici nicl nicu nigc nigg niir niiu nili nill nilu nimb nimc nimi nimr nimu ning nini ninl niru niur nlcc nlgn nlic nlrb nmic nmmc nmml nmrc nmri nngn nnmc nnnn nric nrlb nrml nrrc nrrl nubc nubi nubl nuci nucu nuim nuin nuli null numb numi numm numu nunc nung nunn nurc nuri nurl nurn nurr nuru rbbb rbbr rbcl rcbc rccb rccc rcgc rcic rcnl rcnr rcrg rgbi rib- ribu ricc rigg rigi rigu riin rill rilu rimi rimm rimu ring rinn riri rlcg rlin rlml rlug rmll rmrg rnbr rnin rnli rrmc rrrr rrum rrun rubb rubi rubu ruci rugg rugi ruin rull rumb rumi ruml rumm runc rung runi runn rurc ruri ruru ruun ubbi ubic ubii ubir ubli ucbc ucci ucil ucin ucmc ucrc ugcc ugcg ugli ugni ugri ugur uguu uiml uirr ulbc ulcc ulic ulim ulli ullr ulmi ulmu ulul ulum umb- umbi ummg umri uncc uncg unci uncl ungu uni- unic unii unin unir unmc unmr unni unum urbi urci urgi urgu urib uric urim urin uriu urmi urni urri urum urun urur uulu uuni uuri uuuu