-ene -one c-cd cccc cccp cccu ccdc ccdn ccdp cced ccee ccnc ccne ccnp ccnu ccoc ccod ccpe ccpn ccpp ccuc ccup cd-e cdec cdnc cdon cec- cece ceco cecp cedd cede cedo cedu ceec cen- cend cene ceno ceop ceou cepc cepe cepo cepp cnco cncp cndd cndp cnep coce coco cocp cocu codd code coed coen coep con- conc cond cone conn cono cood coon coop copd cope copo copp coud coue coun coup cpce cpcu cpep cppd cucc cuce cucn cude cued cund cune cuno cunp cuon cupe cupo cupp dccc dccp dccu dcon dcop dcpo dcup dddd ddoc ddpo dec- decc decd dece deco dedd dede dedo dedu deed deen deep dene denn deno denu deon deop depc depe depo depp deue dnce dnoc dnpo doce doco docu dod- dodd dode dodo doen donc dond done donn dono donp dood doon doop dope dopo dopp douc doud doue doun doup dpcp dppc duce duco dudd dude dudo dudu dunc dune dunn duno duo- duon dupe dupo eccc ecce ecco ecdc eced ecne eco- ecod econ ecop ecou ecpd ecpp eddc edde eddo eddp ede- eden edno edoc edod edon edou educ edun edup eede eedu eeee eend eeoc ence enco end- ende endo endu ened enee eneo ennc enne ennu eno- enoc enoe enon enp- enue eocd eode eone epcc epec epee epen epoc epod epon eppc eppo eppp eucd eude n-up nccc nccn nccp nccu ncdc ncdn ncdu ncec nced ncee ncen ncep ncnc ncnd ncoc ncpc ncue ndcc ndcp ndde nddo ndnp ndoc ndop ndpd necc nece neco nedc nedd nede nedo nedu need neen neep nend nene neno nenu neo- neoc neod neon neoo nepc nepe neuc neue neun neuo neuu nnnn noce noco node nodo nodu noed non- none nonn nono nonu noo- noon nooo noop nope noun noup npcc nppc nppd nuce nucu nudc nudd nude nudo nuee nunc nune nunn nuno nuoc nuon nupe o-eo occc occn oce oced ocee ocon ocpd ocpp oddd oded oden odeo odon odoo odop odou oec- oecc oedn oedo oeec oen- oeno onc- oncd once onco onde ondo one- onec oned onee oneo onep onne onno onod onon onpu onue onup oone oooo opec oped open opep opo- opon oppo oucc oudc oude oued ouen oun- ound oune oupe ouu- pccc pcce pcep pcod pcoe pcpn pcpp pcun pdcp pdoc pdpn pece peco ped- pede pedo peec peed peen peep pen- penc pend pene penn peno penu peon peou pepd pepe pepo peun pnec pneu pnon pnpo pnpp pnup pocd poce poco pod- podd pode podo podu poed ponc pond pone pono ponp pood poon poop pop- popc pope popo popp poud poun poup ppcc ppcd ppen ppod pppd pppn pppo pppp pu-e puce pudo pudu pued pueo pueu punc pund pune puno punu pupe pupu puuc uccp ucdc ucdd ucon uden udon udoo udop udpd udun uend ueno uncc unce unco uncp unde undo unec uned unee unen unne unno unon unop unpc uocc uone updo uped upen upne upnp upon uppc uppe uppp uppu upup uucp uuen uuno uuoc uuuu