bbbb bbci bbeb bbrc bbrg bcbc bcbg bccc bcci bcec bcer bcie bcru bcuc bebb bebe bebi beci becu beeb beeg beer begg begi begu beic beir berc bere berg beri berr beru beur beze bezi bezu bibb bibe bibi bicc bice bicg bici bieb bier bieu bigb bigc bige bigg bigu birb bire birg biri birr biru bize bizu bizz brcb brce breb brec bree breg brei brer brez bric brie brig briz brrr bruc brue brug bruz bubb bube bubi bubu bucc buce buci bucu bucz buer bueu buge bugg bugi buic buie buir buiu bur- burb bure burg buri burr buru burz buuz buze buzi buzz bzer bzie bzzz cbbc cbcc cbce cbcr cbcu cbec cbee cber cbgb cbir cbre ccbc cccb cccc ccci cccu ccee ccgc ccic ccii ccir ccrc ccre ccrg ccri ccuc cebu cec- cece ceci ceeb ceec cege cer- cerc cere ceri ceui ceze cgcc cgcg cger cibc cibe cibi cicc cici cicr cicu ciee cier ciez cigi cigu ciii cirb circ cire ciri cirr ciuc cize crbc crbu crcc crce crcr crcz cre- creb crec cree creg crei creu crib cric crie crig criu crub crue crug cruz cub- cubb cube cubi cucc cuce cuci cuer cui- cuir curb cure curi curr ebbc ebbr ebcc eber ebic ebru ebur ecbc ecbe eccb eccc ecce ecci ecib ecig ecrc ecri ecrr ecru eeee eerc eerg eeze egbe egbu egcc egcg egcr egec egee eger eggb egge eggi egir egre egri eiec eiei eier eige eigg eire erbb erbe ercc erce ereb erec erei erer erez erg- ergg ergi eric erie eriu eriz errc erre erub eruc erur erzi eubc eubi euer euge eur- eurc eure ezer ezri ezuz gc-c gcbc gccc gcic gcii gcrg gebe gebi gece geer geez gege gegg geic geie geig geir gerb gere geri geru geue gggg gibb gibe gibz gicr gier giez gige gigg gigi gire girg giri girr giru giue giur gizi gizz grbr grcc grce greb grec gree greg greu grez grib gric grie grig griz grrr grub grue grug grui grur gruz gubb gubi gubu guci guer gugb guge gugg gugi gugu guib gurb gure gurg guri gurr guru guze i-be ibec ibeg ibge ibie ibrc ibri icbc iccb iccc icci iccr iccu icec icee icer icgc icrc icre icrr icru icub icue iecc ieie iere ieri igbc igcc iger igri igue iiie iiii iirc iiuc irbe ircc ircg ircu iree irer iri- iric irie irig irrc irre irri iucc iuce iuge iuiu izze rbbb rbbr rcbc rccb rccc rcgc rcic rcrg rebb rebe rebu recc rece reci recr recu recz reeb rege regi regr regu reii reir reiu reiz rere rerg reri reru reue reuu reze rezi rezu rgbe rgbi rib- ribe ribu ricc rice rier rieu riez rige rigg rigi rigu rire riri riue rize rizi rizu rizz rrrr rubb rube rubi rubu ruce ruci ruer ruez ruge rugg rugi ruiz rurc rure ruri ruru ruze ruzi u-ie ubbe ubbi uber ubic ubii ubir ucbc ucci ucrc ueir ugcc ugcg ugri ugur uguu uige uirr urbe urbi urci ure- urge urgi urgu urib uric urie uriu urre urri urur uruz uuri uuuu uzeb uzer uzzi zber zebe zebu zegg zeir zerg zeri zeze zice zigg zigi zirc ziri zizi zizz zrce zrze zubi zubr zubu zuce zurb zurr zuru zuzu zzzz