-ose cccc cccp cccs ccee ccoc ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccsp ccss cec- cece ceco cecp cecs ceec cees ceke ceop ceor ceos cepc cepe cepo cepp cepr ceps cer- cerc cere cero cerp cers cesc cese cesp cesr cess cexe ckck ckco ckcs ckcx cker ckoc ckoo ckor ckos ckpc ckpr ckrc ckso coce cock coco cocp coep coes coex cok- coke coko cook coop coos cope copo copp copr cops cor- corc core cork coro corp corr cors cosc cose coso cosp coss coxe cpce cpcs cpep cper cpos cpox cpps cpre cprs cpsc cpsk cpso cpsr cpsx crcc crce crcr cre- crec cree creo crep cres crex crkc crkp croc croe crok croo crop cror crpc crps crsp crss cscc csce csco cscr cscs csec csee csep cser csks csor csos csox cspc cspe csps csrc csrs csse cssr cxpo cxro cxxx eccc ecce ecco eces ecko ecks eco- ecop ecos ecpp ecrc ecrr ecsc ecse ecsp ecss eecs eeee eees eeke eeks eeoc eeps eerc eero eers eese eesk ekco ekek eker ekes ekos ekpe ekpo eoes eore epcc epec epee eper epes epoc epor epos epox eppc eppo eppp epps epro eprp eprs epsc epsp epss epsx epxp er-x ercc erce ercp erec erer eres erke erks eroc eroe eroo eros erpe erps errc erre erro errs erse erso esce esco escr escs esee esek eseo eser eses eske esko esks eso- esok esop esos esox espc espe espo espp esps esse esso essp exco exec exer exes exo- exor exos expo expr exrx k-os kc-x kccc kcck kccr kcec kcee kceo kcep kckc kckk kcko kckr kckx kcoe kcor kcos kcox kcpc kcpo kcpr kcps kcpx kcrc kcro kcrp kcrr kcrs kcrx kcsc kcse kcsp kcsr kcss kcxr keck keco kecr keek keep keer kees kekc keke keko keks keok keos kep- kepc kepe keps kepx ker- kerc kere kerk kero kerp kerr kers kerx kesc kesk keso kesp kesr kess kexo kexs kexx kkck kkco kkcr kkcs kkex kkkk kkoo kkor kkpc kkpk kkps kkrc kkre kkrk kkro kkrr kkrs kkrx kkse kksp kksr kkss kkxk kkxs kkxx kock kocp kocs koes kokc koke kokk koko kokp kokr koks kokx kooc kook kooo koop koor koos kope kopp kopr kops korc kore kork koro korr kors kos- kosc kose koso kosp kosr koss koxc koxe koxr kpcc kpcr kpcs kpek kper kpke kpkk kpkr kpkx kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprk kpro kprp kprr kprs kpsc kpso kpsp kpxp kpxr krcc krce krco krcs krec kree krek kreo kres krex krkc krke krkk krko krkr krks krkx kroc kroe krok kroo krop kror kros krox krpr krps krpx krrc krre krrk krro krrr krrs krrx krsc krse krsk krsr krss krsx krxk krxo krxp krxr krxx ksce ksck ksco kscr kscs ksec ksee ksek kseo ksep kser ksex kske kskk ksko kskr ksks kskx ksoc ksok ksoo ksop ksor ksos ksox kspc kspe kspk kspo kspr ksps ksro ksrp ksrr ksrs ksrx ksse ksso kssr ksss kssx kxcs kxeo kxex kxkc kxkk kxks kxkx kxok kxoo kxor kxos kxox kxpc kxpk kxpo kxpr kxps kxrc kxre kxrk kxro kxrp kxrr kxrs kxrx kxsc kxse kxsp kxss kxxe kxxk kxxo kxxr kxxx o-eo occc oce ocee ocke ocks ocos ocpp ocre ocro ocrr ocrs oec- oecc oeec oeps oere oers oese oker okes okko okok okor okpe okpo okre okro okso oocr ooer ooes oooo ooos oops oore oose opec opep oper opes opex opo- opor opos oppo opps orce orco orcs ore- orec orek oreo orer ores orex orke orko oro- oroe orok oror oros orpc orpe orps orro orrs orse orsk orso oscc osce osco osec osee osek oser oses osoo osor osos osro osse osso oxep oxer oxes oxo- oxos oxox oxxo pccc pcce pccs pcep pcer pcks pcoe pcos pcpp pcps pcrc pcre pcse pcso pece peck peco pecr pecs peec peek peep peer pees peke pekk peko peor pepe pepo peps per- perc pere perk pero perp perr pers pese peso pess pkcs poce pock poco pocs poer poes poke poko pook poop poor poos pop- popc pope popo popp pops porc pore pork poro porr pors pose posk poso poss ppcc ppcs pper ppos pppo pppp ppps pprc ppss prcc prcp prcs pre- prec pree prek prep pres prex pro- proc proe proo prop pros prox prps prrs prsc prse prso prss psco psec psoc psos pspp pspr psps psrk psrp pssc psse psso pxes rccc rccs rcep rcos rcpo rcps rcsc rcss recc rece reck recp recr recs reek reep rees reke reko reks reop reos repe repo repp repr reps rere rero rers rese reso resp ress rexx rkos rkss rocc roce rock roco rocs roer roes roke rokk roko rokr roks rook roop roor roos roox rope ropo rops rorc rore rork roro rosc rose roso rosp ross roxo rpcs rpoe rpos rpps rrrr rrsp rscc rscs rsee rsos rspk rspo rsps rsre rxes s-os sccc scce sccp sccs scec scee scep scer sck- scok scoo scop scor scox scpe scpo scps scr- scrc scre scrs scsc scso scsr se-c se-e se-k se-o se-s se-x sec- secc sece seck seco secr secs seec seek seep seer sees seex seke sekk seko seoc seok seop sepe sepo sepp sepr seps sepx serc sere serk sero serp serr sers sesc sese seso sess sex- sexe sexp skee skeo skep sker skes skoe skop skor skpc skpo skss soce sock soco socr socs socx soec soeo soep soes soke sokk soko sook soop soor soos sope sopo sopp sops sore soro sorr sors sose soso soss soxs spcc spco spcs spec spee spek sper spes spex spke spkr spoc spok spoo spop spor spos spox spps spro sprs spse spso spsp spss srcc srec sreo sres sros srpc srps srpx srsp sscc ssce sscp sscs ssec ssee ssep sses ssex ssoc ssop sspc sspe sspo ssps sspx