-er eee eef eem eeo eer eet eex ef- efe eff efm efo efr eft efx em- eme emf emm emo emr emt emx eo- eoe eof eom eoo eor eot ere erf erm ero err ert ete etf etm eto etr ett etx ex- exe exo exr ext exx fee fef fem feo fer fet fex ffe fff ffm ffo ffr fft ffx fme fmf fmm fmo fmr fmt fmx foe fof fom foo for fot fox fre frf frm fro frr frt fte ftf ftm fto ftr ftt ftx fxe fxm fxr fxt fxx m-f m-o m-r mee mef mem meo mer met mex mfe mff mfm mfo mfr mft mme mmf mmm mmo mmr mmt mmx moe mof mom moo mor mot mox mre mrf mrm mro mrr mrt mrx mte mtf mtm mto mtr mtt mtx mxr oee oef oem oeo oer oet oex of- ofe off ofm ofo ofr oft ofx om- ome omf omm omo omr omt omx oo- oof oom ooo oor oot oox or- ore orf orm oro orr ort orx ot- ote otf otm oto otr ott ox- oxf oxo oxt oxx re- ree ref rem reo rer ret rex rfe rff rfm rfo rfr rft rme rmf rmm rmo rmr rmt rmx roe rof rom roo ror rot rox rrf rrm rrr rrt rte rtf rtm rto rtr rtt rtx rxr t-x te- tee tef tem teo ter tet tex tfe tff tfm tfo tfr tft tfx tme tmf tmm tmo tmr tmt tmx to- toe tof tom too tor tot tox tre trf trm tro trr trt trx tte ttf ttm tto ttr ttt ttx txe txf txt xee xem xer xet xex xfe xfm xft xfx xmf xmm xmo xmr xmt xmx xof xom xoo xor xot xox xrf xrt xrx xtf xtm xtr xtx xxo xxx

eeee eefe eemo eero eete eext efeo efet efor eft- emer emet emex emme emor emre emte eore eoto er-x erem erer eret erft erfx erme ermo eroe eroo erre erro etee etem eter etfe etoe etox etre etrm etro ette etto exer exfo exmr exo- exor exrx exte extr feem feer feet fefe feff fefo feme femm feof fere ferm fero ferr fert fete fetr fett fext ffee ffff ffrr fftf foer fofo fome fomo fomt foof foom foot for- fore form foro forr fort fote fotm foto fott foxe foxx free frem freo fret frex froe from frot fter meef meem meer meet mefe meff mefo meme memo memr memx meor mer- mere merf merm mero mert met- mete meto mett mexx mfor mftf mmff mmmm mmor mmrf mmxx moef moet moex mofe moff mofo mome momo mooe moor moot more morf moro mort mote motm moto mott moxe moxo mree mrtm mrtt mtff mtoe mtom mtor mtre mtrr mttr o-eo oeme oere oerm ofem ofer off- offe offo offr ofme ofor ofre omee omeo omer omet omex omo- omoe omoo omor omox omre omro ooer ooff oome oooo oore oort ore- orem oreo orer orex orfe orff orme ormo oro- oroe orof orom oror orot orro orte orto otee otem oter oto- otoe otof otoo otor otre otro otte otto oxer oxo- oxof oxox oxxo reef reem reet refe reff refr reft reme remo reof reot rere rero rert rete reto retr rett rexx rfef rfem roer roet rofe roff rofo rome romm romo roof room roor root roox rore roro rort rote roto rotr rott roxo rrrr rtee rtex rtfm t-mo teef teem teer teet teff teft teme temo teom teor ter- tere terf term tero terr tete teto tetr tett tetx text tfot tfox tmro tmtt toee toer toet toff tofo toft tome tomm tomo tomt toof toom toor toot tore torf torm toro torr tort torx tote totm toto totr tott tox- toxo toxt tre- tree tref trem treo tret trex trfm trfr troe trom troo trot trox trte trtr tteo tter ttff ttoe tttt txfm txtr xeer xefe xeme xer- xero xert xexe xfer xome xoom xoro xote xoxo xtro xxxo xxxx

-form -tree eeeee efere efetf effer effet efore efrem efter emeer emere emert emmer emmet emore emote emoto emtee eofor eomer eorre erem- eremo erere erome eroom eroor erore eroto error erte erter etete etext etoro etree etter exeem exeme exert exmet exmor exome exore exort exter extre extro feeme feeor feere fefor femme femoe femto feoff feorm feret ferme fermo ferox ferr- ferre ferro ferte feter feto- fetor fette fomor foome foore foote fore- foreo foret forex form- forme forro forte forto fotte foxer foxxx freer freet freex freme fremm frere frett frome fromm froom froot frore frote ftrtt meefe meere meete mefor memer memex memor merer meret mero- meroe merom meroo meror merox merre merte meteo meter metoo metr- metre metro metrx mette mexer mmmmm moeer moeme moere moero moffe moffo momme momoe momot mooer moore mooro moote mooto moree morem morer moret mormo moror morre morro morte moter motet moto- motor motre motte motto motxo moxee mrfox mrmet mrmom mroof mrorr mt-te mt-tf mt-tm mt-tr mt-tt mterf mtfmt mtoto mtree o-fer oerme offer offof offre offto ofoto ofter omemo omero omore omoro omoto oo-er oofem ooooo oreo- orere orero orexo orfeo orfoe orfor ormer ormet oroer orome oromo orret orter ortet ortoo otere otero otmer otome otomo ototo otter ottom oxter reefe reeft reeme reemo reere refer refet reffe reffo refme remee remer remet remex remor reome reorx rere- reree reret retee retem reter retex retox retro rette retto rexer ro-ro roero roffe rofor romeo romer romex romfo romme rooer roofe rooft roome roore roote rorem rorer rotem roter roto- rotor rotot rotox rotte rotto rtext rtrfm t-rex teeme tefe temoe temof teome terem teret terex terme termo teror terre terro tert- teter tetex tetr- tetro tette texor texte toeof toerr toeto tofet toffo tofor tofte tomer tomme tommo tomo- tomoe tomom tomor tomte toome toore toreo toret torme torre torro torte torto torxe totem toter totex toto- totoe