-er eee eef eel eem eer eet eex ef- efe eff efl efm efr eft efx ele elf ell elm elr elt elu elx em- eme emf eml emm emr emt emu emx ere erf erl erm err ert eru ete etf etl etm etr ett etu etx eu- eue euf eul eur eut eux ex- exe exl exr ext exu exx fee fef fel fem fer fet feu fex ffe fff ffl ffm ffr fft ffu ffx fle flf fll flm flr flt flu flx fme fmf fml fmm fmr fmt fmu fmx fre frf frl frm frr frt fru fte ftf ftl ftm ftr ftt ftu ftx fue fuf ful fum fur fut fuu fux fxe fxm fxr fxt fxu fxx lee lef lel lem ler let leu lex lfe lff lfl lfm lfr lft lfu lfx lle llf lll llm llr llt llu lme lmf lml lmm lmr lmt lmu lrf lrm lrr lrt lru lte ltf ltl ltm ltr ltt ltu ltx lue luf lul lum lur lut luu lux lxr lxx m-f m-r mee mef mel mem mer met meu mex mfe mff mfl mfm mfr mft mfu mle mlf mll mlm mlr mlt mlu mlx mme mmf mml mmm mmr mmt mmu mmx mre mrf mrl mrm mrr mrt mru mrx mte mtf mtl mtm mtr mtt mtu mtx mue muf mul mum mur mut muu mux mxl mxr mxu re- ree ref rel rem rer ret reu rex rfe rff rfl rfm rfr rft rfu rle rlf rll rlm rlr rlt rlu rme rmf rml rmm rmr rmt rmx rrf rrl rrm rrr rrt rru rte rtf rtl rtm rtr rtt rtu rtx rue ruf rum rur rut ruu rux rxr t-x te- tee tef tel tem ter tet teu tex tfe tff tfl tfm tfr tft tfu tfx tle tlf tll tlm tlr tlt tlu tlx tme tmf tml tmm tmr tmt tmu tmx tre trf trl trm trr trt tru trx tte ttf ttl ttm ttr ttt ttu ttx tue tuf tul tum tur tut tuu tux txe txf txl txt txu uee uef uel uem uer uet ufe uff ufl ufm ufr uft ufu ufx ule ulf ull ulm ulr ult ulu um- ume umf uml umm umr umt umu ur- ure urf url urm urr urt uru urx ute utf utl utm utr utt utu utx uue uum uur uut uuu uxf uxr uxt uxu xee xel xem xer xet xeu xex xfe xfl xfm xft xfx xlf xlm xlr xlt xmf xml xmm xmr xmt xmu xmx xrf xrt xrx xtf xtm xtr xtx xue xul xxl xxx

eeee eefe eefl eele eete eetu eext efet eft- eftu elee elef elem eler elet elex elfe elft elle ellu elme elml elte elue elul elum emel emer emet emeu emex emle emlm emme emml emmu emre emte emul er-x erel erem erer eret erft erfx erle erll erme erre ertl ertu erum erur etee etel etem eter etfe etre etrm ette ettu etux euer eule eur- eure eurt exel exer exmr exrx exte extl extr exul exum feel feem feer feet fefe feff fele felf fell felm felt feme femm fere ferm ferr fert feru fete fetr fett fetu feux fext ffee ffff ffrr fftf flee flem fler flet flex flue fluf flum flur flux free frem fret frex frue frum ft-l fter fuel fuet fuff fufu fule full fulu fume fur- fure furl furm furr furt fute futu fuxl fxml le-u leef leel leem leer leet lefe leff left lele lell lelu leme lemm lemu lere lerm lert lete lett leur lext lexx lfmr llef llet lleu llll lmfm lmmr lmmx lrmt lrrr ltee lttr luef luer lufe luff luft lufu lule lull lulu lume lure lurt lute luxe lxxx meef meel meem meer meet mefe meff mel- mele melf mell melt meme meml memr memu memx mer- mere merf merl merm mert meru met- mete mett metu meum meux mexx mftf mlle mltr mlxx mmff mmmm mmrf mmxl mmxx mree mrml mrtm mrtt mtel mtff mtle mtre mtrl mtrr mttr muee muel muet muff mufu mule mull mulm mult mulu mume mumm mumu mure murl murr murt muru mute mutt mutu muut muxe muxu mxml reef reel reem reet refe reff refl refr reft refu rele rell relm relt reme rere rert reru rete retr rett reue reuf reul reut reuu reux rexx rfef rfem rffl rlee rlef rleu rlml rmll rmtu rrle rrrr rrum rtee rtex rtfm rtle rtlt rtml ruel ruer ruet rufe ruff ruft rule rull rume ruml rumm rumt rure ruru rute rutl rutt rutu teef teel teem teer teet teff tefl teft tel- tele tell telt telu teme temu ter- tere terf term terr teru tete tetr tett tetu tetx teut text tltx tmtt tmux tre- tree tref trem tret treu trex trfm trfr trml trmu trte trtr true trut truu trux tter ttff ttml tttt ttul tuel tuer tuet tufe tuff tufm tuft tufu tule tull tulu tume tumu ture turf turm turr turt turu tute tutl tutt tutu tuum tuxl txfm txtr uele uell uext ufel ufer uffe ulee ulex ulfe ulft ulle ullr ulme ulmu ultt ulul ulum umer umet umff umut ure- uret urex urfe urff urft urle urre urte urum urur urut utel uter uttu uulu uutf uuuu uxem uxue uxul xeer xefe xeme xemu xer- xert xexe xfer xlet xrml xtul xuxu xxxx

-tree e-lux eeeee eeler ef-tu efere efetf effer effet efrem eftel efter efuru efutu eleet elele eleme eleut ellel eller ellet ellul elmer elmet elmex elulu eluru elute emeer emele emell emere emerl emert emmer emmet emtee emtel emule emure erem- erere errtu erte ertel erter etete etext etree ettel etter ettle eturu euell euler eum-u eumel eurel eurex eurre exeem exeme exert exflr exlex exmet extel exter extre extue exult exute feele feeme feere felet felle felte feltt femle femme femur ferel feret ferle ferme ferr- ferre ferte fetel feter fette feuer