bbbb bbwc bcbc bccc bcoz bcuc bobb bobo bobu bobw bock boco bocu boko boku boob booc book boow booz bouk bouw bowk bozo bubb bubo bubu bucc buck buco bucu bucz bukk buko buku buuz buzz bwoc bzou bzow bzzz c-bo cbbc cbcc cbcu cbko ccbc cccb cccc cccu cckw ccob ccoc ccow ccuc ckbc ckck ckco ckcw ckob ckoc ckoo ckww cobb cobo cobu cock coco cocu cok- coko coob cook coub couk cozz cub- cubb cucc cuck cuk- cuzo kbbb kbbc kbbk kbbo kbbu kbbw kbbz kbcb kbck kbco kbcu kbcw kbcz kbkb kbkk kbko kbkw kbkz kbob kboc kbok kboo kbow kboz kbub kbuc kbuk kbuu kbuw kbuz kbwb kbwc kbww kbwz kbzc kbzo kbzu kbzz kcbc kcbk kcbu kcbw kccb kccc kcck kccu kckc kckk kcko kckz kcob kcou kcow kcoz kcub kcuk kcuz kcwb kcwc kcwk kcwu kczo kczz kkbb kkbo kkbz kkcb kkck kkco kkcw kkkk kkob kkoo kkow kkoz kkuu kkwb kkwk kkzu kkzz kobb kobc kobk kobo kobu kocb kock kocw kokb kokc kokk koko koku kokz koob kooc kook kooo koou kooz koub kouu kouw kowb kowz kozb kozk kozo kozu kubb kubc kubo kubu kucb kucc kuco kucw kukk kuku kuok kuoo kuow kuub kuuk kuuu kuuz kuwc kuww kuwz kuzu kuzz kwbc kwbu kwbw kwbz kwck kwkb kwkc kwkk kwkw kwkz kwoc kwok kwow kwoz kwub kwuz kwwk kzbb kzbk kzbz kzkz kzoo kzoz kzuu kzuw kzuz kzwb kzwc kzzb kzzk kzzo kzzz obbo obkb obok ocbc occc okcu okko okok ooku oooo oucc ouu- ouzo owow ubbo uboc ucbc ucoz ukcc ukko ukok uocc uuoc uuuu wbbb wbbk wbbo wbbw wbbz wbcb wbck wbco wbcu wbcw wbkb wbkk wbko wbku wbkw wbkz wbob wboc wbok wbow wboz wbuc wbuk wbuw wbuz wbwb wbwc wbwo wbwz wbzc wbzo wbzu wbzw wbzz wcbc wcbu wcbw wccb wccc wcck wcco wccu wccw wckb wckk wckw wcob wcoc wcok wcoo wcou wcoz wcub wcuw wcwb wcwc wczz wkbc wkbk wkbo wkbu wkbw wkbz wkcb wkco wkcw wkkb wkkc wkko wkkw wkkz wkoc wkok wkoo wkow wkoz wkub wkwc wkwz wkzb wkzc wkzk wkzo wkzu wkzw wkzz wobb wobc wobo wocb wocc woco wocu wokb wokc wokk woko woku wokw wokz woob wooc wook woow wooz woub wouc wouk wouw wowb wowc wowo woww wowz wozk wozz wubb wubu wubz wuco wucw wucz wukb wukz wuub wuuu wuzu wuzz wwbb wwbc wwbu wwbz wwcb wwck wwco wwcu wwcw wwkb wwkc wwku wwkz wwow wwoz wwuz wwwc wwwk wwww wwwz wwzw wwzz wzbb wzbc wzbk wzbo wzbz wzcb wzcc wzkb wzko wzkw wzkz wzob wzoc wzok wzoo wzoz wzuu wzww wzwz wzzb wzzo wzzu wzzw wzzz zobo zoco zoku zoo- zook zouc zouk zozo zozu zubo zubu zuck zuko zuoz zuuk zuzu zwoz zzzz