eeee eefe eeke eero eete efeo efet efke efor eft- eftp ekek eker eket ekpe ekpo eore eoto epee eper epor epot eppo eppp epro eprp epte erer eret erft erke eroe eroo erpe erre erro etee eter etfe etoe etok etre etro ette etto f--k feek feer feet fefe feff fefo feke feko feof fere ferk fero ferr fert fete fetp fetr fett ffee ffff ffrr fftf foer fofo foke foof fook foot fopp for- fore fork foro forr fort fote foto fotp fott fprf free freo frep fret froe frop frot fter ftop ftpe keef keek keep keer keet keff kefr keft keke keko keok kep- kepe kept ker- kere kerf kerk kero kerp kerr kert ket- kete ketf ketk keto ketp ketr kett kfer kfff kffk kfok kfoo kfor kfpr kfpt kfre kfro kfrp kfrr kfte kftk kftt kkfr kkft kkkk kkoo kkor kkot kkpk kkpt kkre kkrf kkrk kkro kkrr kkrt kktk kofe koff kofk kofo kofp koft koke kokf kokk koko kokp kokr kook kooo koop koor koot kope kopf kopp kopr kopt kore korf kork koro korr kort kote kotk koto kotr kott kpek kper kpet kpfk kpfr kpft kpke kpkk kpkr kpoe kpof kpok kpoo kpop kppk kppo kppp kppr kpre kprf kprk kpro kprp kprr kprt kpte kpto kptr kptt kree kref krek kreo kret krfe krff krfo krfp krft krke krkk krko krkr kroe krof krok kroo krop kror krpr krpt krre krrf krrk krro krrr krrt krtk krto krtr ktee ktek ktep ktfo ktke ktkk ktko ktkr ktkt ktoe ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktre ktrf ktrk ktro ktrp ktrr ktrt kttf kttk ktto kttp kttr kttt o-eo oere ofek ofer off- offe offo offr ofor ofre oftp oker oket okko okok okor okot okpe okpo okre okro okto ooer ooff oooo oore oort ootp opep oper opet opo- opor oppo opto ore- orek oreo orer orfe orff orke orko oro- oroe orof orok oror orot orpe orro orte orto otee otep oter otfp oto- otoe otof otok otoo otor otpp otre otro otte otto peek peep peer peet peff peke pekk peko peor pepe pepo per- pere perf perk pero perp perr pert pete peto petr pett pfet pfff pffr pfft pfkp pfte poer poet poff poke poko poof pook poop poor poot pop- pope popo popp popt pore pork poro porr port pote potf poto pott pper pppo pppp pprf pptt pre- pree pref prek prep pret pro- proe prof proo prop prot prtp prtr pter ptop ptrf pttk 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 rkkf roer roet rofe roff rofo roke rokk roko rokr roof rook roop roor root rope ropo rore rork roro rort rote rotk roto rotr rott rpet rpoe rpof rrrr rtee rttp teef teek teer teet teff teft teke teok teor tepe tepp ter- tere terf terk tero terp terr tete teto tetr tett tfot tfpt tftp tkof toee toek toer toet toff tofo toft toke toko toof took toor toot top- tope topf topo topp topt tore torf tork toro torp torr tort tote toto totr tott tper tpke tppp tppr tpte tptp tptr tre- tree tref trek treo tret trfr troe troo trop trot trpe trpp trte trtr tteo tter ttff ttoe ttop tttt