b-u bbb bbc bbd bbk bbn bbo bbu bcb bcc bcd bck bcn bco bcu bdb bdc bdd bdk bdo bdu bkb bkc bkk bkn bko bnb bnc bnd bnk bnn bno bnu bob boc bod bok bon boo bou bub buc bud buk bun buo buu c-- cbb cbc cbd cbk cbn cbo cbu ccb ccc ccd cck ccn cco ccu cdb cdc cdd cdk cdn cdo cdu ckb ckc ckd cko cn- cnb cnc cnd cnn cno cnu co- cob coc cod cok con coo cou cub cuc cud cuk cun cuo cuu dbb dbc dbd dbk dbn dbo dbu dcb dcc dcd dck dcn dco dcu ddb ddc ddd ddk ddn ddo ddu dkb dkc dkk dko dku dnb dnc dnd dnk dnn dno dob doc dod dok don doo dou dub duc dud duk dun duo kbb kbc kbd kbk kbn kbo kbu kcb kcc kcd kck kcn kcu kdb kdc kdk kdo kdu kkb kkc kkk kkn kku kn- knc knd knk knn kno knu kob koc kod kok kon koo kou kub kuc kud kuk kun kuu nbb nbc nbd nbk nbn nbo nbu ncb ncc ncd nck ncn nco ncu ndb ndc ndd ndk ndn ndo ndu nkc nkk nkn nko nku nnb nnc nnk nnn nno nnu no- nob noc nod nok non noo nou nub nuc nud nuk nun nuo nuu ob- obb obc obd obk obn obo obu oc- ocb occ ocd ock ocn oco ocu odb odc odd odn odo odu okb okc okd okk oko oku on- onb onc ond onk onn ono onu oo- oob ooc ood ook oon ooo ou- ouc oud ouk oun ouo ubb ubc ubk ubn ubo ubu ucb ucc ucd uck ucn uco ucu udb udc udd udk udn udo udu ukb ukc ukk ukn uku un- unb unc und unk unn uno unu uob uoc uod uok uon uoo uuc uun uuu

bbbb bbdd bbdo bcbc bccc bcnu bcuc bdbc bddc bnoc bobb bobo bobu bock boco bocu bodb bodo bodu bokn boko boku bonc bond bonk bonn bono bonu boob booc bood book boon boud bouk boun bubb bubo bubu bucc buck buco bucu budb budd budo budu bukk buko buku bunb bund bunk bunn buno bunu buon c-bo c-cd cbbc cbcc cbcn cbcu cbdb cbdc cbdn cbdo cbkn cbko cbnd ccbc ccbn cccb cccc cccu ccdc ccdn ccnb ccnc ccnu ccob ccoc ccod ccuc cddb cdnb cdnc cdon ckbc ckck ckco ckdo ckdu cknb cknc ckob ckoc ckoo cnbc cnco cndd cobb cobo cobu cock coco cocu codd cok- coko con- conc cond conk conn cono coob cood cook coon coub coud couk coun cub- cubb cucc cuck cucn cuk- cund cuno cuon d-bo dbcc dcbc dccb dccc dccu dcdb dcon dddd ddoc ddub dkdc dnoc dnuk dobb dobu dock doco docu dod- dodd dodo doko donc dond donk donn dono doob dood dook doon doub douc doud douk doun dub- dubb dubc dubu duck duco dudd dudo dudu duku dunc dunk dunn duno duo- duon kbbb kbbc kbbd kbbk kbbo kbbu kbcb kbck kbco kbcu kbdb kbdn kbdo kbkb kbkk kbko kbnd kbnn kbno kbnu kbob kboc kbod kbok kbon kboo kbub kbuc kbud kbuk kbun kbuu kcbc kcbd kcbk kcbu kccb kccc kccd kcck kccu kcdc kcdd kcdu kckc kckk kckn kcko kcnb kcnd kcno kcob kcon kcou kcub kcuk kdbb kdbn kdcc kdcd kdco kddb kddc kddd kddk kdkb kdkd kdkk kdkn kdko kdnd kdnk kdnn kdno kdoc kdok kdub kduc kdun kkbb kkbd kkbn kkbo kkcb kkcd kkck kkcn kkco kkdc kkdd kkdo kkkk kknb kknd kknn kkno kknu kkob kkon kkoo kkuu knbb knbc knbn knbu kncb knck kncn knco kncu kndb kndc kndd kndk kndn kndo kndu knkk knnb knnd knnk knob knoc knod knok knon knou knub knud knuk kobb kobc kobk kobn kobo kobu kocb kocd kock kocn kodk kodo kodu kokb kokc kokk kokn koko koku konc kond konk kono koob kooc kook koon kooo koou koub kouu kubb kubc kubd kubo kubu kucb kucc kucd kuco kudd kudo kudu kukk kukn kuku kunc kund kunk kuno kunu kuok kuon kuoo kuub kuuk kuuu nbbc nbbo nbcc nbco ncbc nccc nccn nccu ncdc ncdn ncdu ncnc ncnd ncoc ncuk ndcc nddb nddo ndoc nkok nndb nnnn nobc nobo nobu nock noco nodo nodu noko non- nonn nono nonu noo- noob nook noon nooo noun nubc nubk nuck nucu nudc nudd nudo nuku nunc nunk nunn nuno nuoc nuon nuuk obbo obkb obok obon ocbc occc occn ocon odbo oddd odnb odon odoo odou okcu okko okno okok okon okun onc- oncd onco ondo onno onod onon ooku oooo oucc oudc oun- ound ouu- ubbo uboc ubod ubon ubud ucbc ucdc ucdd ucon udbc udon udoo uduk udun ukcc ukko uknc ukok ukon unbd uncc unco undo unkn unko unno unon uocc uuno uuoc uuuu

bbook bckdk bcock bo-bo bobko boboc bobok bocon bodd- bodoc bokko bokod bokok bokun bondo bonon bonou bonud boock booco booko boond boonk bouck boudu bouko bound bubon bucco bucko bucku buddu budko budoc bukk- buknu bunco bundu bunko bunud bunuk bunun buono ccccc cnnnn co-bo co-co cocc- cocco cocon codco codo codon cokk- conck conco condo connu cono- conob conon couco cound cubo- cubub cucuk cunco cuoco d-con dc-uk dconn ddddd do-do dobok dodon dodoo dokdo dokuo donck dondo donon doodo dooku douck dounk du-ku dubbo dubno dubon dubuc ducun duddo dudok dudon dudou duduc duduk dukku dukun dundo dunno dunod dunun k-b-d knock knokk knoud knuck ko-ko kobuk kobun kocon kodok kokko kokou konbu kondo konno konnu koonu koudo kouno kubok kucuk kudou kukko kukok kund- kundo kundu kunku nkubu nnooo no-do no-no nobob nobuo nokko nokon non-u nondo nonno noonu nu-nu nunon nunun nuodb o-bon obock obodo obudu odudu okobo okoc okubo okuku onco- onnbc onond onoon ooooo oudon u-con u-dub ubobo uconn ukobu ukodo unbud unccd uncod uncok uncon undub undun unnun unodc uuuuu

bbbbbb boccob bocock bocono bodock bodoco bonbon bondon