-ene -one cccc cccp cccu ccee ccnc ccne ccnp ccnr ccnu ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrp ccuc ccup cec- cece ceco cecp ceec cen- cene ceno ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp ceze cnco cncp cnep cnnz cnrc cnrr coce coco cocp cocu coen coep con- conc cone conn cono coon coop cope copo copp copr cor- corc core corn coro corp corr coue coun coup cour coze cozz cpce cpcu cpep cper cpre crcc crce crcr crcz cre- crec cree cren creo crep creu crne croc croe cron croo crop cror croz crpc crue crun crup cruz cucc cuce cucn cuer cune cuno cunp cuon cupe cupo cupp cupr cure curn curo curr cuzo czon eccc ecce ecco ecne eco- econ ecop ecou ecpp ecrc ecrr ecru eeee eeoc eerc eero eeze ence enco enee eneo ener enez ennc enne ennu eno- enoc enoe enon enp- enue enur enzo eone eore epcc epec epee epen eper epoc epon epor eppc eppo eppp epro eprp ercc erce ercp erec eren erer erez erne erno eroc eroe eron eroo erpe errc erre erro eruc erur euer eur- eurc eure euro ezer ezop ezuz ezzo n-up nccc nccn nccp nccr nccu ncec ncee ncen ncep ncer ncnc ncoc ncor ncpc ncrc ncre ncrp ncue necc nece neco necr neen neep neer nene neno nenu neo- neoc neon neoo nepc nepe nepr nerc nere nero nerr neru nerz neuc neue neun neuo neur neuu nnnn nnpr noce noco noer noez non- none nonn nono nonu noo- noon nooo noop noor nope nor- norc nore norn noro norr noun noup nour npcc nppc nren nroc nron nrpc nrpn nrrc nuce nucu nuee nuer nunc nune nunn nuno nuoc nuon nupe nurc nure nurn nurp nurr nuru nuze nzcc nzpc nzpp o-eo occc occn oce ocee ocon ocpp ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere onc- once onco one- onec onee oneo onep oner onez onne onno onon onor onoz onpu onue onup onur onze onzo oocr ooer oone oooo oore ooze opec open opep oper opo- opon opor oppo orce orco ore- orec oren oreo orer ornc orne orno oro- oroe oron oror oroz orpc orpe orro orup orzo orzu oucc ouen ouer oun- oune oupe our- oure ourn ouro ouu- ouze ouzo ozee ozen ozer ozon ozun pccc pcce pcep pcer pcoe pcpn pcpp pcrc pcre pcun pece peco pecr pecz peec peen peep peer pen- penc pene penn peno penu penz peon peor peou pepe pepo per- perc pere pern pero perp perr peru peun peur peze pezo pnec pneu pnon pnpo pnpp pnro pnup poce poco poer ponc pone pono ponp poon poop poor pop- popc pope popo popp porc pore porn poro porr porz poun poup pour poze pozo ppcc ppen pper pppn pppo pppp pprc ppru ppur prcc prcp pre- prec pree pren prep preu prez prnp pro- proc proe pron proo prop prou proz prue pruu pu-e puce pueo puer pueu punc pune puno punu pupe pupu pur- pure puro purp purr puru puuc puzo rccc rcep rcnr rcon rcpo recc rece recp recr recu recz reen reep rene renn reno renu renz reop reou repe repo repp repr repu rere rero reru reue reup reuu reze rezu rnco rncp rocc roce roco roen roer ronc rone rono roon roop roor rooz rope ropo rorc rore roro roru roue roun roup rouz roze rozz rpoe rpon rppn rrrr rrun ruce ruen ruer ruez runc rune runn runo rupe rupp rurc rure ruro rurp ruru ruun ruze u-rp uccp ucon ucoz ucrc ueno uncc unce unco uncp unec unee unen uner unne unno unon unop unpc unro unuz uocc uone uor- uore upen upne upnp upon upor uppc uppe uppp uppu upup ure- urne uro- uroo urpo urre urun urup urur uruz uucp uuen uuno uuoc uuuu uzen uzer uzon uzun z-ro zeep zenn zeno zenu zeon zepo zepp zero zeze znen zoco zon- zone zoo- zoon zoop zope zorc zore zorn zoro zouc zozo zozu zrce zrze zuce zune zunz zuoz zurn zurr zuru zuun zuzu zzzz