bbbb bbci bbdd bbdo bcbc bcbg bccc bcci bdbc bddc bdii bdog bibb bibi bibo bicc bicg bici bick bico bidi bido bigb bigc bigd bigg bigo biko bio- bioc biog bioi bkgd bobb bobi bobo bock boco bodb bodi bodo bogd bogg bogi bogo boi- boid boii boki boko boob booc bood boog book c-bo c-cd cbbc cbcc cbdb cbdc cbdi cbdo cbgb cbid cbkg cbko ccbc cccb cccc ccci ccdc ccdi ccgc ccic ccid ccii ccob ccoc ccod cddb cdic cdii cdio cgcc cgcg cibc cibi cibo cicc cici cico cidc cidg cidi cigi ciid ciii ciko ciob ckbc ckbi ckck ckco ckdo ckgo ckob ckoc ckoi ckoo cobb cobi cobo cock coco codd codi cogi cogo cok- coko coob cood cook d-bo dbcc dcbc dccb dccc dcci dcdb dcgo dcii dcio dddd ddoc dgkb dgkd dgkg dibb dibo dici dick dico didi dido digg digi digo diii diki diko dioc dkdc dkid dobb dobi doci dock doco dod- dodd dodg dodi dodo dog- dogg dogi dogo doid doig doki doko doob dood dook gbbo gc-c gcbc gccc gcic gcii gdci gddb gggg gibb gick gidc gidd gidi gido gigg gigi gigo giog gioi gobi gobo godi godo gogi gogo good goog gooi gook i-go ibdo ibid icbc icbd iccb iccc icci icco icdc icdd icgc icoc icod iddo idgo idic idid idig idio idoc idog igbc igbo igcc igkc igoo iicd iiii iiio iioi iioo ikid ikig ikki ikko ikoo iobi iocg ioci iod- iodd iodo ioii ioio ioko iooi iooo k-ci k-id kbbb kbbc kbbd kbbg kbbi kbbk kbbo kbcb kbci kbck kbco kbdb kbdg kbdi kbdo kbgb kbgg kbgo kbib kbic kbid kbig kbik kbio kbkb kbkg kbkk kbko kbob kboc kbod kboi kbok kboo kcbc kcbd kcbi kcbk kccb kccc kccd kcci kcck kcdc kcdd kcdi kcgc kcgi kcic kcid kcii kckc kckk kcko kcob kcog kdbb kdbg kdbi kdcc kdcd kdco kddb kddc kddd kddg kddi kddk kdgo kdic kdio kdkb kdkd kdkk kdko kdoc kdog kdok kgbb kgbc kgcb kgcc kgcd kgdb kgdc kgdd kggg kggi kggo kgio kibb kibc kibg kibi kibo kicb kicc kicd kicg kick kidb kidd kidg kidi kidk kido kigc kigo kiic kiid kiii kiik kikc kikd kiki kikk kiko kioc kiod kioi kiok kioo kkbb kkbd kkbg kkbi kkbo kkcb kkcd kkci kkck kkco kkdc kkdd kkdg kkdo kkgb kkgo kkic kkid kkik kkkk kkob kkoo kobb kobc kobi kobk kobo kocb kocd koci kock kodi kodk kodo kogb kogd kogg kogi kogo koii kokb kokc koki kokk koko koob kooc koog kooi kook kooo obbo obid obkb oboi obok ocbc occc occi odbo odci oddd oddi odic odio odoo ogb ogdc oggi ogod ogog ogoi oici oick oido oigo oiii oiko okgo okic okko okok oobi oodi ooid oooo