-er -ol eee eef eek eel eeo eer eet ef- efe eff efl efo efr eft eke ekf ekl eko ekr ekt ele elf elk ell elo elr elt eo- eoe eof eok eol eoo eor eot ere erf erk erl ero err ert ete etf etk etl eto etr ett fee fef fek fel feo fer fet ffe fff ffk ffl ffo ffr fft fkf fkk fkl fkt fle flf fll flo flr flt foe fof fok fol foo for fot fre frf frk frl fro frr frt fte ftf ftk ftl fto ftr ftt k-t ke- kee kef kek kel keo ker ket kff kfo kke kkk kkl kkr kkt kl- klf klo klr klt koe kof kok kol koo kor kot krf krk krl kro krr krt kte ktf ktk ktl kto ktr ktt lee lef lek lel leo ler let lfe lff lfk lfl lfo lfr lft lkl lkr lkt lle llf llk lll llo llr llt loe lof lok lol loo lor lot lrf lrk lro lrr lrt lte ltf ltk ltl lto ltr ltt oee oef oel oeo oer oet of- ofe off ofl ofo ofr oft oke okk okl oko okr ole olf olk oll olo olt oo- oof ook ool ooo oor oot or- ore orf ork orl oro orr ort ot- ote otf otk otl oto otr ott re- ree ref rek rel reo rer ret rfe rff rfk rfl rfo rfr rft rke rkf rkk rko rkt rle rlf rll rlo rlr rlt roe rof rok rol roo ror rot rrf rrk rrl rrr rrt rte rtf rtk rtl rto rtr rtt te- tee tef tek tel teo ter tet tfe tff tfk tfl tfo tfr tft tke tkk tkl tko tkr tkt tle tlf tlk tll tlo tlr tlt to- toe tof tok tol too tor tot tre trf trk trl tro trr trt tte ttf ttk ttl tto ttr ttt

eeee eefe eefl eeke eele eero eete efeo efet efke efor eft- ekek eker eket elee elef elek eleo eler elet elfe elft elke elko elle ello elok elro elte elto eole eolo eore eorl eoto erel erer eret erft erke erle erll eroe erol eroo erre erro ertl etee etel eter etfe etoe etok etre etro ette etto f--k feek feel feer feet fefe feff fefo feke feko fele felf felk fell felo felt feof fere ferk fero ferr fert fete fetr fett ffee ffff ffrr fftf flee fler flet floe flok floo flor flot fltk foer fofo foke fole folk foll folo folr folt foof fook fool foot for- fore fork forl foro forr fort fote foto fott free freo fret froe frol frot ft-l fter k-lo keef keek keel keer keet keff kefr keft keke kekl keko kele kelf kelk kell kelo kelt keok keol ker- kere kerf kerk kerl kero kerr kert ket- kete ketf ketk keto ketr kett kfel kfer kfff kffk kflf kfll kflo kflt kfok kfoo kfor kfre kfro kfrr kfte kftk kftt kkfr kkft kkkk kklf kkll kklo kkol kkoo kkor kkot kkre kkrf kkrk kkrl kkro kkrr kkrt kktk kktl klee klef klek kleo kler klet klfe klff klft klkk klkl klko klkr klle kllk kloe klok klol kloo klor klrf klrk klrr kltf kltk klto kltr kltt koel kofe koff kofk kofo koft koke kokf kokk koko kokr kole kolf kolk koll kolo kolr kolt kook kool kooo koor koot kore korf kork korl koro korr kort kote kotk koto kotr kott kree kref krek kreo kret krfe krff krfo krft krke krkk krko krkr krle krlf krlt kroe krof krok krol kroo kror krre krrf krrk krrl krro krrr krrt krtk krto krtr ktee ktek ktel ktfl ktfo ktke ktkk ktko ktkr ktkt ktlf ktlk ktlo ktlr ktlt ktoe ktok ktoo ktor ktot ktre ktrf ktrk ktrl ktro ktrr ktrt kttf kttk ktto kttr kttt leef leek leel leer leet lefe leff left leke lekk leko lele lell lelo leof leok leor lere lerk lero lert lete leto lett llef llet llll lloo lofe loff loft loke lokk loko lole loll lolo looe loof look lool loor loot lore lork loro lote lotl loto lotr lott lrrr ltee ltke lttr o-eo oele oere ofek ofer off- offe offo offr ofor ofre oker oket okko oklo okok okol okor okot okre okro okto ole- olef oleo oler olet olfe olle ollo olof olor olot ooer ooff oolo oooo oore oort ore- orek orel oreo orer orfe orff orke orko orle orlo oro- oroe orof orok oror orot orro orte orto otee oter oto- otoe otof otok otoo otor otre otro otte otto reef reek reel reet refe reff refl refr reft reke reko rekt rele rell relo relt reof reol reot rere rero rert rete reto retr rett rfef rffl rkkf rlee rlef roel roer roet rofe roff rofl rofo roke rokk roko rokr role rolf rolk roll rolo rolt roof rook rool roor root rore rork roro rort rote rotk rotl roto rotr rott rrle rrrr rtee rtle rtlt teef teek teel teer teet teff tefl teft teke tel- tele tell telo telt teok teor ter- tere terf terk tero terr tete teto tetr tett tfot tkof tkol toee toek toer toet toff tofo toft toke toko tol- tole tolk toll tolo tolt toof took tool toor toot tore torf tork toro torr tort tote toto totr tott tre- tree tref trek treo tret trfr troe troo trot trte trtr tteo tter ttff ttoe tttt

-tree eeeee eeklo eeler efere efetf effer effet efore eftel efter ekeko ekker eklof ekool ektor eleet elele eleo- eleot ellek ellel eller ellet elloe eloee eloff eloko elole eloor elore eloro elote eltek eltro eofor eorre erere erkel erkko eroor erore eroto errol error erte ertel erter eteke etete etoko etoll etool etoro etree etrek ettel etter ettle feele feeor feere fefor felet felle felte feltt feoff feole ferel feret ferle ferlo ferr- ferre ferro ferte fetel feter feto- fetor fette