bbbb bbdd bbdo bbeb bcbc bcbp bccc bcde bcec bcoz bcpp bcuc bcup bdbc bddc bdpc bebb bebe bebo becu bede bedo bedu beeb beed beep beo- beod bepo bezd beze bezu bobb bobe bobo bobu boce boco bocu bodb bode bodo bodu boec boee boeo boep boob booc bood booe boop booz bope bopp boud boue boup bozo bpcp bpoe bubb bube bubo bubu bucc buce buco bucu bucz budb budd bude budo budu bueu bupc buuz buze buzz bzoe bzou bzzz c-bo c-cd cbbc cbcc cbce cbcp cbcu cbdb cbdc cbdo cbec cbee cbpc cbpp ccbc cccb cccc cccp cccu ccdc ccdp cced ccee ccob ccoc ccod ccpe ccpp ccuc ccup cd-e cddb cdec cebp cebu cec- cece ceco cecp cedd cede cedo cedu ceeb ceec ceop ceou cepc cepe cepo cepp ceze cobb cobe cobo cobu coce coco cocp cocu codd code coed coep coob cood coop copd cope copo copp coub coud coue coup cozd coze cozz cpbc cpce cpcu cpeb cpep cppd cub- cubb cube cucc cuce cude cued cupe cupo cupp cuzo d-bo dbcc dbcp dbpc dbpd dcbc dccb dccc dccp dccu dcdb dcop dcpo dcup dddd ddoc ddpo ddub debe debu dec- decc decd dece deco dedd dede dedo dedu deeb deed deep deop depc depe depo depp deue deze dobb dobe dobu doce doco docu dod- dodd dode dodo doob dood doop dope dopo dopp doub douc doud doue doup douz doze dozo dpbc dpcp dppc dub- dubb dubc dube dubu duce duco dudd dude dudo dudu duo- dupe dupo dzbb dzep dzud dzup dzze ebbc ebbo ebcc ebed eboe eboo ebpo ecbc ecbe eccb eccc ecce ecco ecdc eced eco- ecod ecop ecou ecpd ecpp eddc edde eddo eddp ede- edoc edod edou educ edup eede eedu eeee eeoc eeze eocd eode epcc epec epee epoc epod eppc eppo eppp epub eubc eucd eude ezed ezod ezop ezuz ezzo o-eo obbo obec obed oboe ocbc occc oce oced ocee ocpd ocpp odbo oddd oded odeo odoo odop odou oec- oecc oedo oeec oobe oooo ooze opec oped opep opo- oppo oucc oudc oude oued oupe ouu- ouze ouzo ozd ozee pbcc pbed pboc pcbc pccc pcce pcep pcod pcoe pcpb pcpp pdcp pdoc pece peco pecz ped- pede pedo peec peed peep peou pepd pepe pepo peze pezo pobo pocd poce poco pod- podd pode podo podu poed pood poop pop- popc pope popo popp poud poup poze pozo ppcc ppcd ppod pppd pppo pppp pu-e pube pubu puce pudo pudu pued pueo pueu pupe pupu puuc puzo ubbe ubbo uboc ubod ubpc ubud ucbc uccp ucdc ucdd ucoz ucpb udbc udez udoo udop udpd uezd uocc upbe updo uped uppc uppe uppp uppu upup uucp uuoc uuuu uzeb uzed zebe zebu zedd zede zedo zeep zepo zepp zeze zobo zoco zodd zoo- zoop zope zouc zozo zozu zubo zubu zuce zude zuoz zuzu zzzz