bbbb bbci bbeb bcbc bcbg bccc bcci bcec bcie bcuc bebb bebe bebi bebo beci becu beeb beeg begg begi bego begu beic beo- bibb bibe bibi bibo bicc bice bicg bici bico bieb bieu bigb bigc bige bigg bigo bigu bio- bioc biog bioi biou bobb bobe bobi bobo bobu boce boco bocu boec boee boeo boge bogg bogi bogo boi- boie boii boiu boob booc booe boog boue bubb bube bubi bubo bubu bucc buce buci buco bucu bueu buge bugg bugi bugo buic buie buiu c-bo cbbc cbcc cbce cbcu cbec cbee cbgb ccbc cccb cccc ccci cccu ccee ccgc ccic ccii ccob ccoc ccuc cebu cec- cece ceci ceco ceeb ceec cege cego ceou ceui cgcc cgcg cibc cibe cibi cibo cicc cici cico cicu ciee cigi cigu ciii ciob ciuc cobb cobe cobi cobo cobu coce coco cocu cogi cogo coob coub coue cub- cubb cube cubi cucc cuce cuci cui- ebbc ebbo ebcc ebic eboe eboo ecbc ecbe eccb eccc ecce ecci ecco ecib ecig eco- ecog ecou eeee eeoc egbe egbu egcc egcg egec egee eggb egge eggi eggo ego- egoi eico eiec eiei eige eigg eiou eubc eubi euge euoi gbbo gc-c gcbc gccc gcic gcii gebe gebi gece gege gegg gego geic geie geig geo- geog geue gggg gibb gibe gige gigg gigi gigo giog gioi giue gobe gobi gobo goce gogi gogo goog gooi gou- goug gubb gubi gubu guci gugb guge gugg gugi gugu guib i-be i-go ibec ibeg ibge ibie icbc iccb iccc icci icco iccu icec icee icgc icoc icub icue iecc ieie ieio igbc igbo igcc igoe igoo igue iiie iiii iiio iioi iioo iiuc iobi iocg ioci ioee ioii ioio iooi iooo ioug iucc iuce iuge iuiu o-eo obbo obec obie oboe oboi ocbc occc occi oce ocee oec- oecc oeec oegb ogb ogbe ogee ogge oggi ogog ogoi ogou ogui oici oigo oiii oobe oobi oooo oucc ouge ouie ouii ouu- u-ie ubbe ubbi ubbo ubic ubii uboc ucbc ucci ucio ugcc ugcg ugeo uggo uguu uige uocc uuoc uuuu