-ene cccc cccp cccs ccee cche cchp cchr cchs ccnc ccne ccnp ccnr ccns ccpe ccpn ccpp ccpr ccps ccrc ccre ccrp ccrs ccsn ccsp ccss cec- cece cecp cecs ceec cees cehs cen- cene cens cepc cepe ceph cepp cepr ceps cer- cerc cere cern cerp cers cesc cese cesp cesr cess chce chch chcp chcs chec chee cheh chen chep cher ches chhs chnc chnr chns chpp chpr chrc chrn chrp chrr chrs chsc chse chsh chsr cncp cnep cnes cnhs cnrc cnrr cnss cpce cpcs cpep cper cphs cpns cpps cpre cprs cpsc cpsr crcc crce crcr cre- crec cree creh cren crep cres crhs crne crns crpc crps crsp crss cscc csce csch cscr cscs csec csee cseh csep cser cshp cshs csne csnp cspc cspe csps csrc csrs csse cssr eccc ecce eces eche echs ecne ecpp ecrc ecrr ecsc ecse ecsp ecss eecs eeee eees eehs eens eeps eerc eers eese ehcc eheh ehen eher ehhs ehre ence ench encs enee ener enes enhs ennc enne enns enp- enrs ense epcc epch epec epee epen eper epes eph- ephs epns eppc eppp epps eprp eprs epsc epsp epss ercc erce erch ercp erec eren erer eres erhc erhs erne erns erpe erps errc erre errs erse ersh esce esch escr escs esee esen eser eses eshs esne espc espe espn espp esps esse essh essp hccc hcch hccs hchs hcpc hcps hcrp hcsc hcss hech hecs heep heer hees hehe hehn hehs hene henh henn hens hepc hepe hepp heps herc here hern herp herr hers hesc hesh hesp hess hhhh hhhs hhpc hnce hncs hnhs hpcc hphs hppe hpps hpsc hpse hpss hree hrhs hrpc hrpp hrps hrrc hscc hscn hses hshs hsps hsse hssp nccc nccn nccp nccr nccs ncec ncee ncen ncep ncer nces nchc nchs ncnc ncpc ncrc ncre ncrp ncsc ncse ncss necc nece nech necr necs neen neep neer nees nehe nehs nene nenh nens nepc nepe neph nepr neps nerc nere nerr ners nesc nese nesh nesn nesr ness nhcc nhhs nhnn nhrc nhrp nhsc nnes nnhs nnnn nnpr nnss npcc npes nphs nppc npsh npss nrcs nren nrhs nrpc nrpn nrps nrrc nrsc nrsp nscc nscs nsec nsep nser nshs nsnr nspc nsps nsrc nssc nsse nssp nssr nsss pccc pcce pccs pcep pcer pchp pchs pcns pcpn pcpp pcps pcrc pcre pcse pece pech pecr pecs peec peen peep peer pees pehe pehr pen- penc pene penh penn pens pepe peps per- perc pere perh pern perp perr pers pese pess phcc phe- phen phhs phrr phrs phsc pnec pnes pnhs pnpp pnsc ppcc ppcs ppen pper pphs pppn pppp ppps pprc ppsh ppss prcc prcp prcs pre- prec pree pren prep pres prhs prnp prps prrs prsc prse prss psec pshc pshs psnc psnr psph pspp pspr psps psrp pssc psse rccc rccs rcep rchs rcnr rcps rcsc rcss recc rece rech recp recr recs reen reep rees rehe rehn rehs rene renn rens repe repp repr reps rere rers rese resh resn resp ress rhce rhcp rhee rhen rhes rhhs rncp rncs rnsh rnsp rpcs rphs rppn rpps rrhs rrrr rrsp rscc rsch rscn rscs rsee rshs rsnn rsnr rsps rsre sccc scce sccp sccs scec scee scep scer sch- sche schh schr schs scnr scpe scps scr- scrc scre scrn scrs scsc scsh scsn scsr se-c se-e se-h se-n se-s sec- secc sece sech secn secr secs seec seeh seen seep seer sees sehe sehr sehs sene senn senr sens sepe sepn sepp sepr seps serc sere sern serp serr sers sesc sese sesh sess shcc shcp she- shee sheh shen shep sher shes shhh shhs shne shps shre shrp shrs shsc sncc sncp snee sneh snep sner snes snhs snns snpp snrs spcc spcs spec spee spen sper spes sphr sphs spne spns spps sprs spse spsp spss srcc srch srec sres srhs srnn srpc srps srsp sscc ssce sscp sscs ssec ssee ssep sses sshs ssns sspc sspe ssps ssrc ssrs sssc sssh ssss