cccc cccp cccs ccee ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccrt ccsp ccss ccst cctc cctt cec- cece cecp cecs cect ceec cees ceke cepc cepe cepp cepr ceps cept cer- cerc cere cerp cers cert cesc cese cesp cesr cess cest cet- cete cetp cets ckck ckcs cker ckpc ckpr ckrc ckst ckts cpce cpcs cpep cper cpps cpre cprs cprt cpsc cpsk cpsr cptp cptr cpts crcc crce crcr cre- crec cree crep cres cret crkc crkp crpc crps crrt crsp crss crst crtc crtp crts cscc csce cscr cscs csec csee csep cser cset csks cspc cspe csps cspt csrc csrs csse cssr cstc cstr csts ctcp ctec ctep ctpp ctps ctrc ctrp ctrs ctsc ctss ctts eccc ecce ecct eces ecks ecpp ecrc ecrr ecsc ecse ecsp ecss ect- ectc ects eecs eeee eees eeke eeks eeps eerc eers eese eesk eetc eete eets ekek eker ekes eket ekpe epcc epec epee eper epes eppc eppp epps eprp eprs epsc epsp epss epte ercc erce ercp erec erer eres eret erke erks erpe erps errc erre errs erse erst erts esce escr escs esee esek eser eses eset eske esks espc espe espp esps esse essp esst estc este estp estr ests etcc etcs etec etee eter etes etre ette kccc kcck kccr kcct kcec kcee kcep kcet kckc kckk kckr kcpc kcpr kcps kcpt kcrc kcrp kcrr kcrs kcrt kcsc kcse kcsp kcsr kcss kcst kctc kcte keck kecr keek keep keer kees keet kekc keke keks kep- kepc kepe keps kept ker- kerc kere kerk kerp kerr kers kert kesc kesk kesp kesr kess kest ket- ketc kete ketk ketp ketr kets kett kkck kkcr kkcs kkct kkkk kkpc kkpk kkps kkpt kkrc kkre kkrk kkrr kkrs kkrt kkse kksp kksr kkss kkst kktc kktk kkts kpcc kpcr kpcs kpek kper kpet kpke kpkk kpkr kppc kppk kppp kppr kprc kpre kprk kprp kprr kprs kprt kpsc kpsp kpte kptr kpts kptt krcc krce krcs krec kree krek kres kret krkc krke krkk krkr krks krpr krps krpt krrc krre krrk krrr krrs krrt krsc krse krsk krsr krss krst krtc krtk krtr krts ksce ksck kscr kscs ksec ksee ksek ksep kser kset kske kskk kskr ksks kspc kspe kspk kspr ksps kspt ksrp ksrr ksrs ksrt ksse kssr ksss ksst kstc kste kstk kstp kstr ksts kstt ktcc ktce ktck ktcr ktcs ktec ktee ktek ktep ktkc ktke ktkk ktkr ktks ktkt ktpk ktpr ktpt ktrc ktre ktrk ktrp ktrr ktrs ktrt ktsc ktsr ktst kttc kttk kttp kttr ktts kttt pccc pcce pccs pcep pcer pcks pcpp pcps pcrc pcre pcse pcte pcts pece peck pecr pecs pect peec peek peep peer pees peet peke pekk pepe peps per- perc pere perk perp perr pers pert pese pess pest pete petr pets pett pkcs pkts ppcc ppcs pper pppp ppps pprc ppss ppts pptt prcc prcp prcs pre- prec pree prek prep pres pret prps prrs prsc prse prss prtc prtp prtr psec pspp pspr psps psrk psrp pssc psse psst psts ptcc pter pttc pttk rccc rccs rcep rcet rcps rcpt rcsc rcss rctc rcts recc rece reck recp recr recs rect reek reep rees reet reke reks rekt repe repp repr reps rept rere rers rert rese resp ress rest rete retr rets rett rkss rkts rpcs rpet rpps rpts rrrr rrsp rscc rscs rsee rspk rsps rsre rstp rsts rtcc rtce rtee rtes rtps rtss rttp rtts sccc scce sccp sccs scct scec scee scep scer scet sck- scpe scps scpt scr- scrc scre scrs scsc scsr scst sctc sctr scts se-c se-e se-k se-s se-t sec- secc sece seck secr secs sect seec seek seep seer sees seet seke sekk sekt sepe sepp sepr seps sept serc sere serk serp serr sers sert sesc sese sess sest set- setc sete sets sett skee skep sker skes sket skpc skrt skss spcc spcs spec spee spek sper spes spet spke spkr spps sprs spse spsp spss spst sptc sptr spts srcc srct srec sres srpc srps srpt srsp srtp srtr sscc ssce sscp sscs ssec ssee ssep sses sset sspc sspe ssps sspt ssrc ssrs sssc ssss sstc sstp ssts stcc stcp stcs stec stee stek step ster stes stet stks stpp stps strc stre strk strs stss sttc sttr tccc tcep tctc tcts teck tecr tecs tect teec teek teer tees teet teke tepe tepp ter- terc tere terk terp terr ters tesc tese tesp tess test tete tetr tets tett tkts tpck tpcp tpcs tper tpke tpks tppp tppr tprs tpsc tpte tptp tptr trcc tre- trec tree trek tres tret trpc trpe trpp trps trst trtc trte trtr tscc tscp tsec tses tset tsks tsps tspt tsse tssr tsst tstc tsts ttcp tter ttss tttt