bbbb bbci bbeb bcbc bccc bcci bcec bcie bcuc bcvo bebb bebe bebi bebo beci beck becu beeb beek beic beik beke beki beko beo- beok beuk bevo bibb bibe bibi bibo bicc bice bici bick bico bieb bieu bike biko biku bio- bioc bioi biou bive bivi bobb bobe bobi bobo bobu boce bock boco bocu boec boee boeo boi- boie boii boiu boke boki boko boku boob booc booe book boue bouk bove bovi bovo bubb bube bubi bubo bubu bucc buce buci buck buco bucu bueu buic buie buik buiu buke buki bukk buko buku buve c-bo cbbc cbcc cbce cbcu cbec cbee cbko cbvb cbve ccbc cccb cccc ccci cccu cccv ccee ccic ccii cciv ccob ccoc ccuc ccvi ccvo cebu cec- cece ceci ceco ceeb ceec ceke ceou ceui cevo cibc cibe cibi cibo cicc cici cico cicu ciee ciii ciko ciob ciuc civc cive civo ckbc ckbe ckbi ckck ckco ckcv ckob ckoc ckoi ckoo ckvo cobb cobe cobi cobo cobu coce cock coco cocu cok- coke coko coob cook coub coue couk cove covo cub- cubb cube cubi cucc cuce cuci cuck cuek cui- cuk- cuke cuve cvcc cvii ebbc ebbo ebcc ebic eboe eboo ecbc ecbe eccb eccc ecce ecci ecco ecib ecko eco- ecou eeee eeke eeoc eick eico eiec eiei eike eiki eiko eiou ekco ekeb ekek ekki ekoi eubc eubi euoi evie evoe evoo evvk i-be ibec ibie icbc iccb iccc icci icco iccu icec icee icke icoc icub icue iecc ieie ieio iiie iiii iiio iioi iioo iiuc ikee ikki ikko ikoo ikue ikuo iobi ioci ioee ioii ioio ioke ioko iooi iooo iucc iuce iucv iuiu ivbv ivec ivic ivie ivue k-ci kbbb kbbc kbbe kbbi kbbk kbbo kbbu kbcb kbce kbci kbck kbco kbcu kbeb kbec kbee kbek kbeo kbev kbib kbic kbie kbik kbio kbiu kbkb kbkk kbko kbkv kbob kboc kboe kboi kbok kboo kbov kbub kbuc kbue kbuk kbuu kbvb kbvc kbvo kbvu kcbc kcbi kcbk kcbu kccb kccc kcci kcck kccu kccv kceb kcec kcee kcei kceo kceu kcic kcie kcii kciu kciv kckc kckk kcko kckv kcob kcoe kcou kcub kcue kcui kcuk kcvi kcvk kcvo kcvu kcvv kebb kebc kebe kebi kebu keck keco keek keib keii keik keio kekb kekc keke keki keko keku keok keve kevi kibb kibc kibe kibi kibo kibu kicb kicc kice kick kieu kiev kiic kiii kiik kiiu kikc kiki kikk kiko kiku kioc kioe kioi kiok kioo kiou kiuu kive kivi kivu kkbb kkbe kkbi kkbo kkcb kkci kkck kkco kkic kkik kkkk kkob kkoo kkov kkuu kkvu kkvv kobb kobc kobe kobi kobk kobo kobu kocb koci kock koei koii koiv kokb kokc koke koki kokk koko koku koob kooc kooi kook kooo koou koov koub koue koui kouu kovc kove kovi kovk kovo kubb kubc kube kubo kubu kucb kucc kuce kuci kuco kucv kuei kuek kueu kuic kuie kuik kuke kuki kukk kuku kuok kuoo kuub kuuk kuuu kuvi kuvo kvbc kvcb kvcc kvce kvci kvck kvco kvcu kvcv kvec kvic kvie kvik kviv kvob kvoc kvoe kvoi kvok kvoo kvou kvov kvue kvui kvuu kvvv o-eo obbo obec obie obkb oboe oboi obok obvi ocbc occc occi oce ocee ocke oec- oecc oeec oici oick oiii oike oiko okcu okic okie okko okok oobe oobi ooku oooo oucc ouie ouii ouu- ovee ovi- ovie ovo- ovoo u-ie ubbe ubbi ubbo ubek ubic ubii ubik uboc ucbc ucci ucio ueki ukcc ukek ukeu ukko ukok uocc uoke uovo uuoc uuuu uv-b uv-c uvic uvok uvvu vbcc vcbi vcci vecc veci veck veie veii veik veke veve vevi vevo vibe vic- vice vici vick vico vieu viii viik vike viki viko viue vive vivi vivo voce voei voeu voic voie voio voke vooc voue vouk vovk vuco vuku vvob vvvv