-ene cccc cccp cccs cccv ccee ccnc ccne ccnp ccnr ccns ccpe ccpn ccpp ccpr ccps ccrc ccre ccrp ccrs ccsn ccsp ccss ccvs cec- cece cecp cecs ceec cees cen- cene cens cepc cepe cepp cepr ceps cer- cerc cere cern cerp cers cesc cese cesp cesr cess cncp cnep cnes cnrc cnrr cnss cpce cpcs cpep cper cpns cpps cpre cprs cpsc cpsr cpvc crcc crce crcr cre- crec cree cren crep cres crne crns crpc crps crsp crss cscc csce cscr cscs csec csee csep cser csne csnp cspc cspe csps csrc csrs csse cssr cvcc cven cver cvrr cvss eccc ecce eces ecne ecpp ecrc ecrr ecrv ecsc ecse ecsp ecss eecs eeee eees eens eeps eerc eers eese eevn en-v ence encs enee ener enes ennc enne enns enp- enrs ense ensv envs epcc epec epee epen eper epes epns eppc eppp epps eprp eprs epsc epsp epss ercc erce ercp erec eren erer eres erev erne erns erpe erps errc erre errs erse erve esce escr escs esee esen eser eses esne espc espe espn espp esps esse essp esvn even ever eves evre evrs evsc nccc nccn nccp nccr nccs ncec ncee ncen ncep ncer nces ncnc ncpc ncrc ncre ncrp ncsc ncse ncss ncvs necc nece necr necs neen neep neer nees neev nene nens nepc nepe nepr neps nerc nere nerr ners nerv nesc nese nesn nesr ness neve nnes nnnn nnpr nnss npcc npes nppc npss nrcs nren nrpc nrpn nrps nrrc nrsc nrsp nrsv nscc nscs nsec nsep nser nsnr nspc nsps nsrc nssc nsse nssp nssr nsss nvcc nvcs nvss pccc pcce pccs pcep pcer pcns pcpn pcpp pcps pcrc pcre pcse pece pecr pecs peec peen peep peer pees peev pen- penc pene penn pens pepe peps per- perc pere pern perp perr pers perv pese pess pnec pnes pnpp pnsc ppcc ppcs ppen pper pppn pppp ppps pprc ppss prcc prcp prcs pre- prec pree pren prep pres prev prnp prps prrs prsc prse prss prsv psec psnc psnr pspp pspr psps psrp pssc psse pvcs rccc rccs rcep rcnr rcps rcsc rcss rcvr rcvs recc rece recp recr recs reen reep rees reev rene renn rens repe repp repr reps rere rers rese resn resp ress reve revp revs rncp rncs rnpv rnsp rpcs rppn rpps rrrr rrsp rscc rscn rscs rsee rsnn rsnr rsps rsre rsvp rv-c rver rvsp sccc scce sccp sccs scec scee scep scer scnr scpe scps scr- scrc scre scrn scrs scsc scsn scsr scvp se-c se-e se-n se-s sec- secc sece secn secr secs secv seec seen seep seer sees sene senn senr sens sepe sepn sepp sepr seps serc sere sern serp serr sers serv sesc sese sess seve sncc sncp snee snep sner snes snns snpp snrs spcc spcs spec spee spen sper spes spne spns spps sprs spse spsp spss srcc srec sres srnn srpc srps srsp srvn sscc ssce sscp sscs ssec ssee ssep sses ssns sspc sspe ssps ssrc ssrs sssc ssss ssvp svcc svce svcs svec sven svns svsc vcrs vecc veen veep veer vees ven- vene venn vepe vepr veps ver- vere vern vers vesc vese vess veve vrnn vrpn vrse vsee vsen vses vsrp vssc vsse vver vvvv