c-cd cccc cccp cccs cccu ccdc ccdp ccdr ccds cced ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccsd ccsp ccss ccuc ccup ccus cd-e cd-r cdcs cddr cdec cder cdes cdps cdre cdrs cdss cec- cece cecp cecs cedd cede cedu ceec cees cepc cepe cepp cepr ceps cer- cerc cerd cere cerp cers cesc cese cesp cesr cess cpce cpcs cpcu cpep cper cppd cpps cpre cprs cpsc cpsr cpsu cpus crcc crce crcr crdc cre- crec cred cree crep cres creu crpc crps crsp crss crud crue crup crus cscc cscd csce cscr cscs csdp csdr csec csee csep cser cspc cspd cspe csps csrc csrd csrs cssd csse cssr csup csur csus cucc cuce cude cuds cued cuer cues cupe cupp cupr cups curd cure curr curs cusd cusp cuss cusu dccc dccp dccs dccu dcds dcps dcsc dcss dcup dddd ddes ddps ddrc ddre ddss dec- decc decd dece decs dedd dede dedu deed deep deer dees depc depe depp depr deps der- derc dere derp derr ders des- desc dese desp dess desu deue deur deus dpcp dper dppc dpsd dpsu dred dree dres drrs drsp drue drup drus druu dscc dscp dscr dscs dsdp dsdr dsps dsrc dsrp dsrr dssc dssp duce ducs dudd dude duds dudu duer dues dupe dure duru duse duur eccc ecce ecdc eced eces ecpd ecpp ecrc ecrr ecru ecsc ecse ecsp ecss ecsu ecus eddc edde eddp edds ede- eder edes edru edss educ edup edur eecs eede eedu eeee eees eeps eerc eers eese epcc epec epee eper epes eppc eppp epps eprp eprs epsc epsd epsp epss epus ercc erce ercp erde erds erec ered erer eres erpe erps errc erre errs erse eruc erur erus esce escr escs escu esdp esds esdu esee eser eses espc espe espp esps esrd esse essp essu esus eucd eude euer eur- eurc eure euse pccc pcce pccs pcep pcer pcpp pcps pcrc pcrd pcre pcse pdcp pdes pdpr pdrc pdrs pdsd pdss pece pecr pecs ped- pede peds peec peed peep peer pees pepd pepe peps per- perc perd pere perp perr pers peru pese pess pesu peur ppcc ppcd ppcs ppds pper pppd pppp ppps pprc ppru ppss ppur prcc prcd prcp prcs pre- prec pred pree prep pres preu prpd prps prrd prrs prsc prsd prse prss prud prue prus pruu pscu psdc psdp psdr psds psec pspp pspr psps psrd psrp pssc psse pu-e puce puds pudu pued puer pueu pupe pups pupu pur- pure purp purr purs puru pusd puss puuc rccc rccs rcdc rcde rcds rcep rcpd rcps rcrd rcsc rcsd rcss rder rdpc recc recd rece recp recr recs recu redc redd rede redr reds redu reed reep rees repe repp repr reps repu rerd rere rers reru rese resp ress reue reup reus reuu rpcs rpdp rpps rred rrrr rrsp rscc rscs rsdd rsds rsee rsps rsre ruce rudd rude rudp ruds rued ruer rues rupe rupp rurc rurd rure rurp rurs ruru ruse russ rusu ruud sccc scce sccp sccs scdc scdp scds scec scee scep scer scpe scps scr- scrc scre scrs scsc scsd scsr scsu scud scup scur sdcc sddc sdds sdep sder sdes sdpr sdps sdrc sdrs sdsc sdss sdsu se-c se-d se-e se-s se-u sec- secc secd sece secr secs secu sede seds seec seed seep seer sees seeu sepd sepe sepp sepr seps sepu serc serd sere serp serr sers seru sesc sese sess seur spcc spcs spdc spde spdp spdr spec sped spee sper spes sppd spps sprd sprs spsd spse spsp spss spud spue spur spus srcc srde srec sres srpc srps srsd srsp sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sspc sspe ssps ssrc ssrs sssc ssss suc- succ sucr sucs sudd sude suds sued suee suer sues sueu sup- supe supp supr sups sur- surc surd sure surp surr surs suru sus- susd suse susp suss susu suus u-rp uccp ucdc ucdd uces ucrc ucsc ucsd ucsu udds uder udpd udsd uers uess upcs uped uppc uppe uppp uppu upsc upse upup urde urds urdu ure- ured ures urre urse urss ursu urup urur urus uscc usce uscs usdc usde usdp usds used usee user uses uspc uspp usps ussc usse ussr usss ussu usus uucp uuuu