cccc cccf cccp ccee ccfc ccff ccoc ccpe ccpp ccpr ccrc ccre ccrf ccrp ccrt cctc cctt cec- cece ceco cecp cect ceec cef- cefc ceke ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cerf cero cerp cert cet- cete ceto cetp cfcf cfco cffr cfor cfpo cfpr cfre cfrp cfrt cftc cfte cftk cftr ckck ckco cker ckfr ckoc ckoo ckor ckot ckpc ckpr ckrc coce cock coco cocp coct coep cofc cofe coff coft cok- coke coko coof cook coop coot cope copo copp copr copt cor- corc core corf cork coro corp corr cort cotc cote coto cott cpce cpep cper cpff cpft cpre cprt cptp cptr crcc crce crcr cre- crec cree creo crep cret crfc crkc crkp croc croe crok croo crop cror crot crpc crrt crtc crtf crtp ctcf ctcp ctec ctep ctfc ctfo ctor ctot ctpo ctpp ctrc ctrp eccc ecce ecco ecct ecef ecfc ecfr ecko eco- ecop ecot ecpp ecrc ecrf ecrr ect- ectc ectf ecto eeee eefe eeke eeoc eerc eero eetc eete efco efeo efet efke efor eft- eftp ekco ekek eker eket ekfc ekpe ekpo eore eotc eoto epcc epec epee eper epfc epoc epor epot eppc eppo eppp epro eprp epte ercc erce ercp erec erer eret erfc erft erke eroc eroe eroo erpe errc erre erro etcc etco etec etee eter etfc etfe etoe etok etre etro ette etto f--k fccf fccp fcot fcto fece feck fect feek feer feet fefc fefe feff fefo feke feko feof fepc ferc fere ferk fero ferr fert fete fetp fetr fett ffcc ffee ffff ffrr fftf foce fock foco foer fofo foke foof fook foot fopp for- fore fork foro forr fort fote foto fotp fott fp-c fpcc fpct fprf frcc frcp free freo frep fret frfc froe frop frot ft-c fter ftfc ftop ftpe kccc kcck kccr kcct kcec kcee kceo kcep kcet kcfc kcfo kcfp kcft kckc kckf kckk kcko kckr kcoe kcof kcor kcot kcpc kcpo kcpr kcpt kcrc kcro kcrp kcrr kcrt kctc kcte kcto keck keco kecr keef keek keep keer keet kefc keff kefr keft kekc keke keko keok kep- kepc kepe kept ker- kerc kere kerf kerk kero kerp kerr kert ket- ketc kete ketf ketk keto ketp ketr kett kfcf kfco kfcr kfer kfff kffk kfok kfoo kfor kfpr kfpt kfrc kfre kfro kfrp kfrr kftc kfte kftk kftt kkck kkco kkcr kkct kkfr kkft kkkk kkoo kkor kkot kkpc kkpk kkpt kkrc kkre kkrf kkrk kkro kkrr kkrt kktc kktk kocf kock kocp koct kofc kofe koff kofk kofo kofp koft kokc koke kokf kokk koko kokp kokr kooc kook kooo koop koor koot kope kopf kopp kopr kopt korc kore korf kork koro korr kort kotc kote kotk koto kotr kott kpcc kpcr kpek kper kpet kpfc kpfk kpfr kpft kpke kpkk kpkr kpoc kpoe kpof kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprf kprk kpro kprp kprr kprt kpte kpto kptr kptt krcc krce krco krec kree kref krek kreo kret krfc krfe krff krfo krfp krft krkc krke krkk krko krkr kroc kroe krof krok kroo krop kror krpr krpt krrc krre krrf krrk krro krrr krrt krtc krtk krto krtr ktcc ktce ktck ktco ktcr ktec ktee ktek ktep ktfc ktfo ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktrc ktre ktrf ktrk ktro ktrp ktrr ktrt kttc kttf kttk ktto kttp kttr kttt o-eo occc occt oce ocee ocef ocet ocfp ocke ocpp ocre ocro ocrr oct- octe octo oec- oecc oeec oere ofcr ofek ofer off- offc offe offo offr ofor ofre oftp oker oket okko okok okor okot okpe okpo okre okro okto oocr ooer ooff oooo oore oort ootp opec opep oper opet opo- opor oppo opto orce orco ore- orec orek oreo orer orfe orff orke orko oro- oroe orof orok oror orot orpc orpe orro ortc orte orto otee otep oter otfc otfp oto- otoe otof otok otoo otor otpp otre otro otte otto pccc pcce pcep pcer pcfc pcoe pcpp pcrc pcre pcrf pcte pece peck peco pecr pect peec peek peep peer peet pefc peff peke pekk peko peor pepe pepo per- perc pere perf perk pero perp perr pert pete peto petr pett pfce pfet pfff pffr pfft pfkp pfte poce pock poco poer poet poff poke poko poof pook poop poor poot pop- popc pope popo popp popt porc pore pork poro porr port potc pote potf poto pott ppcc pper pppo pppp pprc pprf pptt prcc prcf prcp pre- prec pree pref prek prep pret prfc pro- proc proe prof proo prop prot prtc prtp prtr ptcc pter ptop ptrf pttc pttk rccc rcep rcet rcfc rcpo rcpt rctc recc rece reck recp recr rect reef reek reep reet refe reff refr reft reke reko rekt reof reop reot repe repo repp repr rept rere rero rert rete reto retr rett rfef rffc rftc rkkf rocc roce rock roco roer roet rofc rofe roff rofo roke rokk roko rokr roof rook roop roor root rope ropo rorc rore rork roro rort rotc rote rotk roto rotr rott rpet rpfc rpoe rpof rrfc rrrr rtcc rtce rtee rtfc rttp tccc tcep tcfc tcpo tctc teck teco tecr tect teec teef teek teer teet tefc teff teft teke teok teor tepe tepp ter- terc tere terf terk tero terp terr tete teto tetr tett tfec tfot tfpt tftc tftp tkof toce tock toco toee toek toer toet toff tofo toft toke toko toof took toor toot top- tope topf topo topp topt torc tore torf tork toro torp torr tort totc tote toto totr tott tpck tpcp tper tpke tppp tppr tpte tptp tptr trcc tre- trec tree tref trek treo tret trfc trfr troc troe troo trop trot trpc trpe trpp trtc trte trtr ttcp tteo tter ttfc ttff ttoe ttop tttt