c-cd cccc cccp cccu ccdc ccdp cced ccee ccoc ccod ccpe ccpp ccuc ccup cd-e cdec cec- cece ceco cecp cedd cede cedo cedu ceec ceop ceou cepc cepe cepo cepp coce coco cocp cocu codd code coed coep cood coop copd cope copo copp coud coue coup cpce cpcu cpep cppd cucc cuce cude cued cupe cupo cupp dccc dccp dccu dcop dcpo dcup dddd ddoc ddpo dec- decc decd dece deco dedd dede dedo dedu deed deep deop depc depe depo depp deue doce doco docu dod- dodd dode dodo dood doop dope dopo dopp douc doud doue doup dpcp dppc duce duco dudd dude dudo dudu duo- dupe dupo 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 eocd eode epcc epec epee epoc epod eppc eppo eppp eucd eude o-eo occc oce oced ocee ocpd ocpp oddd oded odeo odoo odop odou oec- oecc oedo oeec oooo opec oped opep opo- oppo oucc oudc oude oued oupe ouu- pccc pcce pcep pcod pcoe pcpp pdcp pdoc pece peco ped- pede pedo peec peed peep peou pepd pepe pepo pocd poce poco pod- podd pode podo podu poed pood poop pop- popc pope popo popp poud poup ppcc ppcd ppod pppd pppo pppp pu-e puce pudo pudu pued pueo pueu pupe pupu puuc uccp ucdc ucdd udoo udop udpd uocc updo uped uppc uppe uppp uppu upup uucp uuoc uuuu