c-cd cccc cccp cccu ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp ccuc ccup cd-e cd-r cddr cdec cder cdre cec- cece ceco cecp cedd cede cedo cedu ceec ceke ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cerd cere cero cerp ckck ckco ckdo ckdu cker ckoc ckoo ckor ckpc ckpr ckrc ckrd coce cock coco cocp cocu codd code coed coep cok- coke coko cood cook coop copd cope copo copp copr cor- corc cord core cork coro corp corr coud coue couk coup cour cpce cpcu cpep cper cppd cpre crcc crce crcr crdc cre- crec cred cree creo crep creu crkc crkp croc crod croe crok croo crop cror crpc crud crue cruk crup cucc cuce cuck cude cued cuek cuer cuk- cuke cupe cupo cupp cupr curd cure curo curr dccc dccp dccu dcop dcpo dcrk dcup dddd ddoc ddpo ddrc ddre dec- decc decd dece deck deco dedd dede dedo dedu deed deek deep deer dek- deke deop deor depc depe depo depp depr der- derc dere derk dero derp derr deue deuk deur dkdc doce dock doco docu dod- dodd dode dodo doek doer doke doko dood dook doop door dope dopo dopp dopr dorc dord dore dork doro dorp dorr doru douc doud doue douk doup dour dpcp dper dppc dprk dred dree drek drod drop drou drue druk drup druu duce duck duco dudd dude dudo dudu duer duke duku duo- dupe dupo dure durk duro duru duur eccc ecce ecco ecdc eced ecko eco- ecod ecop ecou ecpd ecpp ecrc ecrr ecru eddc edde eddo eddp ede- eder edoc edod edou edru educ edup edur eede eedu eeee eeke eeoc eerc eero ekco eked ekek eker ekpe ekpo ekur eocd eode eore epcc epec epee eper epoc epod epor eppc eppo eppp epro eprp ercc erce ercp erde erec ered erer erke eroc erod eroe eroo erpe errc erre erro eruc erur eucd eude euer eur- eurc eure euro kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kcec kced kcee kceo kcep kceu kckc kckk kcko kckr kcoe kcor kcou kcpc kcpo kcpr kcpu kcrc kcro kcrp kcrr kcru kcue kcuk kcup kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdep kdkd kdkk kdko kdkr kdoc kdoe kdok kdpr kdro kduc kdup kdur keck keco kecr kedc kedd kede kedo kedp kedr keed keek keep keer kekc keke keko keku keok kep- kepc kepd kepe kepu ker- kerc kere kerk kero kerp kerr keru keup keur kkcd kkck kkco kkcr kkdc kkdd kkdo kked kkkk kkoo kkor kkpc kkpk kkrc kkre kkrk kkro kkrr kkup kkuu kocd kock kocp kode kodk kodo kodu koed kokc koke kokk koko kokp kokr koku kooc kook kooo koop koor koou kope kopp kopr kopu korc kord kore kork koro korr koru koue kour kouu kpcc kpcr kpdc kpdo kpdr kpek kper kpke kpkk kpkr kpoc kpod kpoe kpok kpoo kpop kpou kppc kppd kppk kppo kppp kppr kprc kprd kpre kprk kpro kprp kprr kpru kpur krcc krcd krce krco krcu krdc krdd krde krdo krdr krdu krec kred kree krek kreo kreu krkc krkd krke krkk krko krkr krku kroc krod kroe krok kroo krop kror krpr krpu krrc krre krrk krro krrr kruc krue kruk krup krur kucc kucd kuce kuco kucp kucr kudd kude kudo kudu kued kuek kueu kuke kukk kuku kuok kuoo kuop kupd kupe kupr kupu kurd kure kurk kuro kurr kuru kuuk kuur kuuu o-eo occc oce oced ocee ocke ocpd ocpp ocre ocro ocrr ocur oddd oded odeo oder odoo odop odor odou odrp odur oec- oecc oedo oeec oere okcu oked oker okko okok okor okpe okpo okre okro okur oocr ooer ooku oooo oord oore opec oped opep oper opo- opor oppo orce orco orde ordo ordu ore- orec ored orek oreo orer orke orko oro- oroe orok oror orpc orpe orro orup oucc oudc oude oued ouer oupe our- oure ouro ouu- pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pdcp pdoc pdpr pdrc pece peck peco pecr ped- pede pedo peec peed peek peep peer peke pekk peko peor peou pepd pepe pepo per- perc perd pere perk pero perp perr peru peur pocd poce pock poco pod- podd pode podo podu poed poer poke poko poku pood pook poop poor pop- popc pope popo popp porc pore pork poro porr poud pouk poup pour ppcc ppcd ppdk pper ppod pppd pppo pppp pprc ppru ppur prcc prcd prcp pre- prec pred pree prek prep preu pro- proc prod proe proo prop prou prpd prrd prud prue pruu pu-e puce puck pudo pudu pued pueo puer pueu puke puku pupe pupu pur- pure puro purp purr puru puuc rccc rcdc rcde rcep rcpd rcpo rcrd rder rdoc rdpc recc recd rece reck recp recr recu redc redd rede redo redr redu reed reek reep reke reko reod reop reou repe repo repp repr repu rerd rere rero reru reue reuk reup reuu rocc roce rock roco rodd rode rodo roed roer roke rokk roko rokr roku rood rook roop roor rope ropo rorc rore rork roro roru roud roue rouk roup rpdp rpoe rred rrrr ruce ruck rudd rude rudo rudp rued ruer ruke rukk ruku ruok rupe rupp rurc rurd rure ruro rurp ruru ruud u-rp uccp ucdc ucdd ucrc uder udoo udop udpd uduk ukcc ukek ukeu ukko ukok ukrc ukup ukur uocc uoke uor- uore updo uped upor uppc uppe uppp uppu upup urde urdu ure- ured urke uro- urok uroo urpo urre uruk urup urur uucp uuoc uuuu