-er -ol eee eef eel eeo eer eet ef- efe eff efl efo efr eft ele elf ell elo elr elt elu eo- eoe eof eol eoo eor eot eou ere erf erl ero err ert eru ete etf etl eto etr ett etu eu- eue euf eul eur eut fee fef fel feo fer fet feu ffe fff ffl ffo ffr fft ffu fle flf fll flo flr flt flu foe fof fol foo for fot fou fre frf frl fro frr frt fru fte ftf ftl fto ftr ftt ftu fue fuf ful fuo fur fut fuu lee lef lel leo ler let leu lfe lff lfl lfo lfr lft lfu lle llf lll llo llr llt llu loe lof lol loo lor lot lou lrf lro lrr lrt lru lte ltf ltl lto ltr ltt ltu lue luf lul luo lur lut luu oee oef oel oeo oer oet of- ofe off ofl ofo ofr oft ofu ole olf oll olo olt olu oo- oof ool ooo oor oot or- ore orf orl oro orr ort oru ot- ote otf otl oto otr ott otu ou- oue ouf oul ouo our out re- ree ref rel reo rer ret reu rfe rff rfl rfo rfr rft rfu rle rlf rll rlo rlr rlt rlu roe rof rol roo ror rot rou rrf rrl rrr rrt rru rte rtf rtl rto rtr rtt rtu rue ruf ruo rur rut ruu te- tee tef tel teo ter tet teu tfe tff tfl tfo tfr tft tfu tle tlf tll tlo tlr tlt tlu to- toe tof tol too tor tot tou tre trf trl tro trr trt tru tte ttf ttl tto ttr ttt ttu tue tuf tul tuo tur tut tuu uee uef uel uer uet ufe uff ufl ufo ufr uft ufu ule ulf ull ulo ulr ult ulu uoe uol uoo uor uot ur- ure urf url uro urr urt uru ute utf utl uto utr utt utu uue uur uut uuu

eeee eefe eefl eele eero eete eetu efeo efet efor eft- eftu elee elef eleo eler elet elfe elft elle ello ellu elro elte elto elue elul eole eolo eore eorl eoto erel erer eret erft erle erll eroe erol eroo erre erro ertl ertu erur etee etel eter etfe etoe etre etro ette etto ettu euer eule eur- eure euro eurt feel feer feet fefe feff fefo fele felf fell felo felt feof fere fero ferr fert feru fete fetr fett fetu ffee ffff ffrr fftf flee fler flet floe floo flor flot flou flue fluf fluo flur foer fofo fole foll folo folr folt foof fool foot for- fore forl foro forr fort fote foto fott foul four fout free freo fret froe frol frot frou frue ft-l fter fuel fuet fuff fufu fule full fulu fuor fur- fure furl furo furr furt fute futo futu le-u leef leel leer leet lefe leff left lele lell lelo lelu leof leor leou lere lero lert lete leto lett leur llef llet lleu llll lloo loeu lofe loff loft lole loll lolo looe loof lool loor loot lore loro lote lotl loto lotr lott loue loul lour lout louu lrrr ltee lttr luef luer lufe luff luft lufu lule lull lulu lure lurt lute o-eo oele oere oeuf ofer off- offe offo offr offu ofor ofre ole- olef oleo oler olet olfe olle ollo olof olor olot oltu olur ooer ooff oolo oooo oore oort ore- orel oreo orer orfe orff orfu orle orlo orlu oro- oroe orof oror orot orro orte orto otee oter oto- otoe otof otoo otor otre otro otte otto ottu otur ouer oufe ouff oule oulu our- oure ouro ourt out- oute outo ouu- reef reel reet refe reff refl refr reft refu rele rell relo relt reof reol reot reou rere rero rert reru rete reto retr rett reue reuf reul reut reuu rfef rffl rlee rlef rleu roel roer roet rofe roff rofl rofo role rolf roll rolo rolt roof rool roor root rore roro rort roru rote rotl roto rotr rott roue rouf roul rout rrle rrrr rtee rtle rtlt ruel ruer ruet rufe ruff rufo ruft rule rull rulo rure ruro ruru rute rutl ruto rutt rutu teef teel teer teet teff tefl teft tel- tele tell telo telt telu teor ter- tere terf tero terr teru tete teto tetr tett tetu teut tfot toee toer toet toff tofo toft tofu tol- tole toll tolo tolt tolu toof tool toor toot tore torf toro torr tort toru tote toto totr tott toul tour tout tre- tree tref treo tret treu trfr troe troo trot trou trte trtr true trut truu tteo tter ttff ttoe tttt ttul tuel tuer tuet tufe tuff tufo tuft tufu tule tull tulo tulu tuor ture turf turo turr turt turu tute tutl tuto tutt tutu tuuo uele uell ufel ufer uffe ulee uleo ulfe ulft ulle ullo ullr ulo- ulto ultt ulul uofl uofo uor- uore ure- uret urfe urff urft urle uro- urol uroo urre urte urur urut utel uter utfo utor utto uttu uulu uutf uuuu

-tree eeeee eeler ef-tu efere efetf effer effet efore eftel efter efuru efutu eleet elele eleo- eleot eleut ellel eller ellet elloe ellul eloee eloff elole eloor elore eloro elote elout eltro elulu eluru elute eofor eorre erere eroor erore eroto errol error errtu erte ertel erter etete etoll etool etoro etour etree ettel etter ettle eturu euell euler eurel euro- eurre feele feeor feere fefor felet felle felte feltt feoff feole ferel feret ferle ferlo ferr- ferre ferro ferte fetel feter feto- fetor fette feuer feule feute fleer fleet flere flero flert flete flett fleur floor flore floro floru flote floto flour flout fluff fluo- fluor flure flurr flurt flute folet folle follo foole foore foote fore- forel foreo foret forro forte forto forur fotte fotur fouee fouel fouet foule foure fouro freel freer freet frere frett freur froot frore frote