-ene c-cd cccc cccp cccs ccdc ccdn ccdp ccdr ccds cced ccee ccnc ccne ccnp ccnr ccns ccpe ccpn ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsd ccsn ccsp ccss ccst cctc cctt cd-e cd-r cdcs cddr cdec cder cdes cdnc cdps cdre cdrs cdss cec- cece cecp cecs cect cedd cede cedt ceec cees cen- cend cene cens cent cepc cepe cepp cepr ceps cept cer- cerc cerd cere cern cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets cncp cndd cndp cnep cnes cnet cnrc cnrr cnrt cnss cntc cntr cpce cpcs cpep cper cpns cpnt cppd cpps cpre cprs cprt cpsc cpsr cptp cptr cpts crcc crce crcr crdc cre- crec cred cree cren crep cres cret crne crns crpc crps crrt crsp crss crst crtc crtp crts cscc cscd csce cscr cscs csdn csdp csdr csec csee csep cser cset csne csnp cspc cspd cspe csps cspt csrc csrd csrs cssd csse cssr cstc cstd cstr csts ctcp ctec cten ctep ctne ctns ctpp ctps ctrc ctrn ctrp ctrs ctsc ctsn ctss cttn ctts dccc dccp dccs dcct dcds dcns dcps dcsc dcss dctc dcts dddd ddes ddps ddrc ddre ddss ddts dec- decc decd dece decs dect dedd dede deed deen deep deer dees deet dene denn dens dent depc depe depp depr deps dept der- derc dere dern derp derr ders des- desc dese desp dess dest dete detn detr dets dnce dncs dner dnet dnrc dnsc dntp dntt dpcp dpdt dper dppc dpsd dpst dpts dred dree dren dres dret drrs drsp dscc dscn dscp dscr dscs dsdp dsdr dsps dspt dsrc dsrp dsrr dssc dssn dssp dsst dstc dstn dsts dtcc dtdp dted dten dtss dttp eccc ecce ecct ecdc eced eces ecne ecpd ecpp ecrc ecrr ecsc ecse ecsp ecss ect- ectc ects eddc edde eddp edds ede- eden eder edes edns edrn edss edts eecs eede eeee eees eend eens eent eeps eerc eers eese eetc eete eets ence encs end- ende ends ened enee ener enes ennc enne enns enp- enrs ense enst ent- entd ente entp entr ents epcc epec epee epen eper epes epns eppc eppp epps eprp eprs epsc epsd epsp epss epte ercc erce ercp erde erds erec ered eren erer eres eret erne erns erpe erps errc erre errs erse erst erts esce escr escs esdp esds esee esen eser eses eset esne espc espe espn espp esps esrd esse essp esst estc estd este estp estr ests etcc etcs etds etec etee eten eter etes etne etnr etns etre ette ettn nccc nccn nccp nccr nccs ncct ncdc ncdn ncdr ncds ncec nced ncee ncen ncep ncer nces ncnc ncnd ncpc ncrc ncre ncrp ncsc ncse ncss ncst nctc ncte nctr ndcc ndcp ndcs ndde nder ndnp ndnt ndpd ndpr ndps ndrc ndre ndss ndtc necc nece necr necs nect nedc nedd nede neds need neen neep neer nees neet nend nene nens nent nepc nepe nepr neps nept nerc nerd nere nerr ners nert nesc nese nesn nesr ness nest net- netd nete nets nett nnes nnnn nnpr nnss nntn npcc npes nppc nppd nprt npss nptc npte nptn nrcs nrdc nrds nren nrpc nrpn nrps nrrc nrrd nrsc nrsp nrts nscc nscd nscs nsds nsdt nsec nsep nser nsnr nspc nsps nsrc nsrd nssc nsse nssp nssr nsss nstc nstd nstp nsts ntcc ntds nter ntes ntnd ntpc ntpd ntrc ntsc ntss nttr pccc pcce pccs pcep pcer pcns pcnt pcpn pcpp pcps pcrc pcrd pcre pcse pcte pcts pdcp pdes pdns pdpn pdpr pdrc pdrs pdsd pdss pdtc pece pecr pecs pect ped- pede peds peec peed peen peep peer pees peet pen- penc pend pene penn pens pent pepd pepe peps per- perc perd pere pern perp perr pers pert pese pess pest pete petn petr pets pett pnec pnes pnet pnpp pnsc pntd pntr ppcc ppcd ppcs ppds ppen pper pppd pppn pppp ppps pprc ppss pptn ppts pptt prcc prcd prcp prcs pre- prec pred pree pren prep pres pret prnd prnp prpd prps prrd prrs prsc prsd prse prss prtc prtp prtr psdc psdp psdr psds psec psnc psnr pspp pspr psps psrd psrp pssc psse psst psts ptcc ptdc pten pter ptpd ptrd ptsd pttc rccc rccs rcdc rcde rcds rcep rcet rcnr rcpd rcps rcpt rcrd rcsc rcsd rcss rctc rcts rder rdpc recc recd rece recp recr recs rect redc redd rede redr reds reed reen reep rees reet rend rene renn rens rent repe repp repr reps rept rerd rere rers rert rese resn resp ress rest retd rete retr rets rett rncp rncs rndc rndp rnds rnnt rnsp rntd rntp rpcs rpdp rpet rppn rpps rptd rptn rpts rred rrrr rrsp rscc rscn rscs rsdd rsds rsee rsnn rsnr rsps rsre rstp rsts rtcc rtce rtdt rtee rtes rtnd rtns rtps rtss rttp rtts sccc scce sccp sccs scct scdc scdp scds scec scee scep scer scet scnd scnr scnt scpe scps scpt scr- scrc scre scrn scrs scsc scsd scsn scsr scst sctc sctd sctn sctr scts sdcc sddc sdds sdep sder sdes sdet sdpr sdps sdrc sdrs sdsc sdss se-c se-d se-e se-n se-s se-t sec- secc secd sece secn secr secs sect sede seds seec seed seen seep seer sees seet send sene senn senr sens sent sepd sepe sepn sepp sepr seps sept serc serd sere sern serp serr sers sert sesc sese sess sest set- setc sete sets sett sncc sncp sned snee snep sner snes snet snns snpp snrs snsd snte sntr spcc spcs spdc spde spdp spdr spdt spec sped spee spen sper spes spet spne spns sppd spps sprd sprs spsd spse spsp spss spst sptc sptr spts srcc srct srde srec sres srnn srpc srps srpt srsd srsp srtp srtr sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset ssns sspc sspe ssps sspt ssrc ssrs sssc ssss sstc sstd sstp ssts stcc stcp