bbbb bbch bbdd bcbc bccc bchd bcuc bdbc bddc bddh bhcc bhuu bkcy bubb bubu bucc buch buck bucu budb budd budu budy buhy bukh bukk buku buky buyu bych byck byyd c-cd cbbc cbcc cbcu cbdb cbdc ccbc cccb cccc cccu ccdc ccdh cchy ccuc cddb chch chkb chub chud chuk chuy chy- chyc chyk ckbc ckch ckck ckcy ckdu cub- cubb cuby cucc cuck cuk- cuy- cybb cybc cyc- cycb cycc cyy- cyyc dbcc dc-y dcbc dccb dccc dccu dcdb dddd ddub dkdc dub- dubb dubc dubh dubu duby duch duck dudd dudu duhu duhy duku dybu dycd dych dyck dycu dydd dyhb dyhh dyku hbcd hcbc hccb hccc hcch hdbk hdyd hhhh hkbu hkcc hubb huby huch huck hucu hudd hudu huhu huub huyd hydd hyuk kbbb kbbc kbbd kbbk kbbu kbcb kbch kbck kbcu kbcy kbdb kbdy kbhb kbhc kbhh kbkb kbkk kbky kbub kbuc kbud kbuk kbuu kbuy kbyb kbyu kcbc kcbd kcbk kcbu kccb kccc kccd kcck kccu kccy kcdc kcdd kcdu kcdy kchh kchk kchu kckc kckk kcky kcub kcuh kcuk kcyk kcyy kdbb kdcc kdcd kddb kddc kddd kddk kdkb kdkd kdkk kdub kduc kdyk khbc khbd khcb khcc khch khck khdc khdk khhk khkk khky khub khud khuk khuy khyy kkbb kkbd kkcb kkcd kkch kkck kkcy kkdc kkdd kkdy kkhb kkhh kkhk kkkk kkuu kkyc kkyy kubb kubc kubd kubu kuby kucb kucc kucd kuch kudd kudu kuhu kukh kukk kuku kuky kuub kuuk kuuu kuyu kuyy kybb kybc kyby kycc kyck kydd kydy kyhd kykc kykd kykk kyky kyuk kyuu kyyk kyyy ubud ucbc ucdc ucdd ucky udbc uduk uh-d uhuh ukcc ukky uuuu yccc ycch yhud yhyd yubu yuck yudh yudu yuku yuky yuyu yyyy