-er eee eef eel eer eet ef- efe eff efl efr eft ele elf ell elr elt elu ere erf erl err ert eru ete etf etl etr ett etu eu- eue euf eul eur eut fee fef fel fer fet feu ffe fff ffl ffr fft ffu fle flf fll flr flt flu fre frf frl frr frt fru fte ftf ftl ftr ftt ftu fue fuf ful fur fut fuu lee lef lel ler let leu lfe lff lfl lfr lft lfu lle llf lll llr llt llu lrf lrr lrt lru lte ltf ltl ltr ltt ltu lue luf lul lur lut luu re- ree ref rel rer ret reu rfe rff rfl rfr rft rfu rle rlf rll rlr rlt rlu rrf rrl rrr rrt rru rte rtf rtl rtr rtt rtu rue ruf rur rut ruu te- tee tef tel ter tet teu tfe tff tfl tfr tft tfu tle tlf tll tlr tlt tlu tre trf trl trr trt tru tte ttf ttl ttr ttt ttu tue tuf tul tur tut tuu uee uef uel uer uet ufe uff ufl ufr uft ufu ule ulf ull ulr ult ulu ur- ure urf url urr urt uru ute utf utl utr utt utu uue uur uut uuu

eeee eefe eefl eele eete eetu efet eft- eftu elee elef eler elet elfe elft elle ellu elte elue elul erel erer eret erft erle erll erre ertl ertu erur etee etel eter etfe etre ette ettu euer eule eur- eure eurt feel feer feet fefe feff fele felf fell felt fere ferr fert feru fete fetr fett fetu ffee ffff ffrr fftf flee fler flet flue fluf flur free fret frue ft-l fter fuel fuet fuff fufu fule full fulu fur- fure furl furr furt fute futu le-u leef leel leer leet lefe leff left lele lell lelu lere lert lete lett leur llef llet lleu llll lrrr ltee lttr luef luer lufe luff luft lufu lule lull lulu lure lurt lute reef reel reet refe reff refl refr reft refu rele rell relt rere rert reru rete retr rett reue reuf reul reut reuu rfef rffl rlee rlef rleu rrle rrrr rtee rtle rtlt ruel ruer ruet rufe ruff ruft rule rull rure ruru rute rutl rutt rutu teef teel teer teet teff tefl teft tel- tele tell telt telu ter- tere terf terr teru tete tetr tett tetu teut tre- tree tref tret treu trfr trte trtr true trut truu tter ttff tttt ttul tuel tuer tuet tufe tuff tuft tufu tule tull tulu ture turf turr turt turu tute tutl tutt tutu uele uell ufel ufer uffe ulee ulfe ulft ulle ullr ultt ulul ure- uret urfe urff urft urle urre urte urur urut utel uter uttu uulu uutf uuuu

-tree eeeee eeler ef-tu efere efetf effer effet eftel efter efuru efutu eleet elele eleut ellel eller ellet ellul elulu eluru elute erere errtu erte ertel erter etete etree ettel etter ettle eturu euell euler eurel eurre feele feere felet felle felte feltt ferel feret ferle ferr- ferre ferte fetel feter fette feuer feule feute fleer fleet flere flert flete flett fleur fluff flure flurr flurt flute freel freer freet frere frett freur frute ftlee ftrtt fu-fu fulle fullf furel futur leell leere leert lefeu leffe leful leleu lelle lerer letre lette letur lufre lufte lulle lulte lulul lurer lurue lute- luter lutte reefe reeft reere refel refer refet reffe refut relee relet relte relue rere- reree reret retee retel reter rette reuel reuer reuet reule reute ruele ruell ruere ruete ruffe ruler ruter rutle rutte rutul ruule ruutu teele teell tefe tele- teler teleu tell- telle teret tereu terre tert- tetel teter tetle tetr- tette tlell tlett treer treet trefe treff trele trere trete trett treut truel truer truff trule trull trute ttttt tuelf tuell tuelt tuffe tufte tulet tulle turel turet turle turre turtu turul turut tutee tutel tutle tutte tuuru uelfe ufere ullet ullur ultre ululu uluru urelu urtel urter urtlu urutu uter- utter uttur uturu uuuuu

eeuler efeler effere effete effutu efreet efter- eleele ellett erfurt errett ettutu euller eutere feeler feller felter feltre ferfel ferfer ferlut ferrel ferrer ferret ferrur fertee ferter ferule fetter fettle feture feuter fleete fletre fleure flurre flurte fluter flutte freele frefre frelte fretel frette freure fterer fterre fueler fuerte fuffle fuller furfur furler furlet furrer furrfu furtle futrel futret futter future leeful leelee leerer leetle leffel lefter lefull lerret letter lettre luffer lufful luller lurulu lutter luttre r-tree re-let reefer reeffe reeler reeuel refeel refeet refeff refell refelt refert refete reflee reflet reflue refret refter refuel refurl refute releef reller relleu rereel rerule reteer reteet retell retere retree retret rettel retter rettur returf returu reuele reuere reuler reulle reuter reutte rueful ruelle rufete ruffer ruffet ruffle rufter ruller rurutu ruttee rutter ruttle t-tree teetee teeter telefe telele telete teleut telfer tellee teller tellur terete terrel terrer terret terter tertre teruel tetele tetete tetter teufel teutul treete trefet trefle trefte tretee trette truett trufel trufle trufte truful trulle tuelft tuelle tufele tuffet tuffle tufter turfel turfer turlet turrel turret turtle turtur tururu tutele tuteur tutter tuttle tuttul tuttut tuuelf ufreet ureltu ureter urette uruffe utelle uteute

eleuter et-tell felfree ferrell ferrere ferrule ferrure fertlet feruler fettler fleerer fleeter fleuret fluffer flutter freelte freeter fretful fretter fueller furrure futerer futrell futureu leffert leffler lefulle letrure lettere letterl lettret lletter lleufer lureful referee referer reflurt refrete reftele refuter releefe rerefer reteere reterre retrete rettert reutter ruffler teleut- tellur- teltele terelle terere terreer terrell terrere tettete treeful treelet treetee trefele treffle treflee trettle trettre trueful truffle truttle tuftlet tul-tul tulette tullett turrell turtler turtlet tut-tut tuteler uffelte utterer

f-letter feelfree fellerer ferreter ferrette fetterer feuterer fleetful freefell fretfull leftfeet letteree letterer letteret lettrure leuterer luttrell referree referrer refueler reletter reteller ruutel telluret teruteru tree-lru treefree treffurt turlutte turrulet

fllllllll flutterer frutefull letterlet letterure refueller ruff-tree teuf-teuf tuff-tuff

ferretfeet futurefuel letterrure letur-lefr rufflerule tellururet

fleurettee