c-cd cccc cccp cccu ccdc ccdh ccdn ccdp ccdr cchp cchr ccnc ccnp ccnr ccnu ccpn ccpp ccpr ccrc ccrp ccuc ccup cd-r cddr cdnc chch chcp chnc chnr chpp chpr chrc chrd chrn chrp chrr chud chuk chun chur ckch ckck ckdu cknc ckpc ckpr ckrc ckrd cncp cndd cndp cnrc cnrr cpcu cppd crcc crcr crdc crkc crkp crpc crud cruk crun crup cucc cuck cucn cuk- cund cunp cupp cupr curd curn curr dccc dccp dccu dcrk dcup dddd ddrc dhcp dhpr dhrn dhun dhur dkdc dnrc dnuk dpcp dphp dppc dpph dprk drnh druk drup druu duch duck dudd dudu duhr duhu duku dunc dunk dunn durk durn duru duur hccc hcch hcdr hcpc hcrd hcrp hhhh hhpc hkcc hknd hndd hpcc hpdh hrdc hrdn hrpc hrpp hrrc hrud hrun huch huck hucu hudd hudu huhn huhu hunc hund hunh hunk hupp hurd hurk hurn hurr huru kccc kccd kcck kccr kccu kcdc kcdd kcdr kcdu kchh kchk kchn kchr kchu kckc kckk kckn kckr kcnd kcnh kcnp kcnr kcpc kcpn kcpr kcpu kcrc kcrh kcrn kcrp kcrr kcru kcuh kcuk kcup kdcc kdcd kdcr kddc kddd kddk kddr kdhn kdkd kdkk kdkn kdkr kdnd kdnk kdnn kdnr kdpr kduc kdun kdup kdur khcc khch khck khdc khdk khdn khdr khhk khkk khkn khkr khnc khnd khnk khnr khnu khpn khpr khrd khrk khrr khud khuk khun khur kkcd kkch kkck kkcn kkcr kkdc kkdd kkhh kkhk kkhr kkkk kknd kknn kknu kkpc kkpk kkpn kkrc kkrh kkrk kkrn kkrr kkup kkuu knch knck kncn kncr kncu kndc kndd kndh kndk kndn kndp kndr kndu knhc knhk knkk knnd knnk knnr knpc knpr knrk knud knuk knur kpcc kpch kpcr kpdc kpdr kphn kphp kphr kpkk kpkr kpnc kpnd kpnp kppc kppd kppk kppp kppr kprc kprd kprh kprk kprn kprp kprr kpru kpur krcc krcd krch krcn krcu krdc krdd krdr krdu krhc krhp krkc krkd krkh krkk krkn krkr krku krnd krnh krnk krnn krnp krnu krph krpr krpu krrc krrk krrn krrr kruc kruh kruk krun krup krur kucc kucd kuch kucp kucr kudd kudu kuhn kuhu kukh kukk kukn kuku kunc kund kunk kunp kunr kunu kupd kuph kupr kupu kurd kurk kurr kuru kuuk kuur kuuu n-up nccc nccn nccp nccr nccu ncdc ncdn ncdr ncdu nchc nchd ncnc ncnd ncpc ncrc ncrp ncuk ndcc ndcp ndnp ndpd ndpr ndrc nhcc nhdp nhnn nhrc nhrp nnnn nnpr npcc nppc nppd nrdc nrpc nrpn nrrc nrrd nuch nuck nucu nudc nudd nuku nunc nunk nunn nurc nurd nurn nurp nurr nuru nuuk pccc pchp pcpn pcpp pcrc pcrd pcun pdcp pdpn pdpr pdrc phcc phrr phun pnkd pnkp pnpp pnup ppcc ppcd ppdk pppd pppn pppp pprc ppru ppur prcc prcd prcp prnd prnp prpd prrd prud pruu puch puck pudu puhn puku punc pund punk punu pupu pur- purp purr puru puuc rccc rcdc rcnr rcpd rcrd rdpc rhcp rhun rncp rndc rndp rpdp rppn rrrr rrun ruch ruck rudd rudp ruhh ruhn ruhr rukh rukk rukn ruku runc rund runk runn rupp rurc rurd rurp ruru ruud ruun u-rp uccp ucdc ucdd ucph ucrc udpd uduk udun uh-d uhuh uhup ukcc uknc ukrc ukup ukur uncc unch uncp unkn unpc upnp uppc uppp uppu upup urch urdu urrh uruk urun urup urur uucp uuuu