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