-ene c-cd cccc cccp cccs ccdc ccdn ccdp ccds cced ccee ccnc ccne ccnp ccns ccpe ccpn ccpp ccps ccsd ccsn ccsp ccss cd-e cdcs cdec cdes cdnc cdps cdss cec- cece cecp cecs cedd cede ceec cees cen- cend cene cens cepc cepe cepp ceps cesc cese cesp cess cncp cndd cndp cnep cnes cnss cpce cpcs cpep cpns cppd cpps cpsc cscc cscd csce cscs csdn csdp csec csee csep csne csnp cspc cspd cspe csps cssd csse dccc dccp dccs dcds dcns dcps dcsc dcss dddd ddes ddps ddss dec- decc decd dece decs dedd dede deed deen deep dees dene denn dens depc depe depp deps des- desc dese desp dess dnce dncs dnsc dpcp dppc dpsd dscc dscn dscp dscs dsdp dsps dssc dssn dssp eccc ecce ecdc eced eces ecne ecpd ecpp ecsc ecse ecsp ecss eddc edde eddp edds ede- eden edes edns edss eecs eede eeee eees eend eens eeps eese ence encs end- ende ends ened enee enes ennc enne enns enp- ense epcc epec epee epen epes epns eppc eppp epps epsc epsd epsp epss esce escs esdp esds esee esen eses esne espc espe espn espp esps esse essp nccc nccn nccp nccs ncdc ncdn ncds ncec nced ncee ncen ncep nces ncnc ncnd ncpc ncsc ncse ncss ndcc ndcp ndcs ndde ndnp ndpd ndps ndss necc nece necs nedc nedd nede neds need neen neep nees nend nene nens nepc nepe neps nesc nese nesn ness nnes nnnn nnss npcc npes nppc nppd npss nscc nscd nscs nsds nsec nsep nspc nsps nssc nsse nssp nsss pccc pcce pccs pcep pcns pcpn pcpp pcps pcse pdcp pdes pdns pdpn pdsd pdss pece pecs ped- pede peds peec peed peen peep pees pen- penc pend pene penn pens pepd pepe peps pese pess pnec pnes pnpp pnsc ppcc ppcd ppcs ppds ppen pppd pppn pppp ppps ppss psdc psdp psds psec psnc pspp psps pssc psse sccc scce sccp sccs scdc scdp scds scec scee scep scnd scpe scps scsc scsd scsn sdcc sddc sdds sdep sdes sdps sdsc sdss se-c se-d se-e se-n se-s sec- secc secd sece secn secs sede seds seec seed seen seep sees send sene senn sens sepd sepe sepn sepp seps sesc sese sess sncc sncp sned snee snep snes snns snpp snsd spcc spcs spdc spde spdp spec sped spee spen spes spne spns sppd spps spsd spse spsp spss sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses ssns sspc sspe ssps sssc ssss