-er eee eef eel eer eev ef- efe eff efl efr ele elf ell elr elu elv ere erf erl err eru erv eu- eue euf eul eur euv eve evf evl evr evv fee fef fel fer feu fev ffe fff ffl ffr ffu ffv fle flf fll flr flu fre frf frl frr fru fue fuf ful fur fuu fuv lee lef lel ler leu lev lfe lff lfl lfr lfu lle llf lll llr llu llv lrf lrr lru lrv lue luf lul lur luu luv lve lvf lvl lvr lvv re- ree ref rel rer reu rev rfe rff rfl rfr rfu rfv rle rlf rll rlr rlu rrf rrl rrr rru rue ruf rur ruu ruv rve rvf rvl rvr rvu rvv uee uef uel uer ufe uff ufl ufr ufu ufv ule ulf ull ulr ulu ulv ur- ure urf url urr uru uue uur uuu uve uvf uvl uvu uvv v-e vee vef vel ver veu vff vfl vfr vfu vfv vl- vle vlf vll vlv vre vrf vrr vru vue vul vur vuv vvr vvv

eeee eefe eefl eele eelv elee elef eler elev elfe elle ellu elue elul elve erel erer erev erle erll erre erur eruv erve euer eule eur- eure evel ever evre feel feer fefe feff fele felf fell fere ferr feru ferv feve fevr ffee ffff ffrr flee fler flue fluf flur fr-v free frue fuel fuff fufu fule full fulu fur- fure furl furr le-u leef leel leer lefe leff lele lell lelu lere leur lev- leve llef lleu llll lrrr luef luer lufe luff lufu lule lull lulu lure lurv luve lvrr reef reel reev refe reff refl refr refu rele rell rere reru reue reuf reul reuu reve rfef rffl rlee rlef rleu rrle rrrr ruel ruer rufe ruff rule rull rure ruru ruve ruvu rver uele uell ufel ufer uffe ulee ulfe ulle ullr ulul ure- urfe urff urle urre urur urve uulu uuuu uvel uver uvvu veel veer vel- vele vell velu ver- vere verl veur veve vref vuel vulf vull vver vvvv

eeeee eeler eevee eever efere effer efuru elele eleve ellel eller ellul elulu eluru elver erere ereve euell euler eurel eurre evell evere everr eveve feele feere felle ferel ferle ferr- ferre feuer feule fever fevre fleer flere fleur fluff flure flurr freel freer frere freur fu-fu fulle fullf fulve furel leell leere leeve lefeu leffe leful lefve leleu lelle lerer levee level lever levre lueve lufre lulle lulul lurer lurue lurve luver reefe reere reeve refel refer reffe relee relue rere- reree reuel reuer reule revel rever revle revue ruele ruell ruere ruffe ruler ruule uelfe ufere ullur ululu uluru ulver urelu uuuuu uvele uvule veele veell veere veeve velev velle velur verel verre verul verve veuve vever vreel vuele vuere vulv- vulve vuver

eeuler efeler effere eleele euller feeler feller ferfel ferfer ferrel ferrer ferrur ferule fleure fleuve flurre freele frefre freure fueler fuffle fuller furfur furler furrer furrfu leeful leelee leerer leevre leffel lefull levere llueve luffer lufful luller lurulu reefer reeffe reeler reeuel reever refeel refeff refell reflee reflue refuel refurl releef releve reller relleu rereel rerule reuele reuere reuler reulle reuver revell revere revver rueful ruelle ruffer ruffle ruller ruvell uruffe uuvere veerer veleru veller vellur velure velvel verree verrel verrer verrue veruel verule vervel verver vuelve vvvvvv

effluve eve-eel felfree ferrell ferrere ferrule ferrure feruler feverel fleerer fluffer fueller furrure lefevre leffler lefulle leveful leveler lleufer lureful referee referer releefe releeve relevel rerefer reveler revelle reveree reverer ruffler urevere velfull vellure verrell verveer vervell

everfree feelfree fellerer freefell leveller referree referrer refueler reveller verrelle vervelle

fllllllll fuellevel levefulle refueller revelever

level-free rufflerule