eeee eero eery eete eext eore eoto er-x erer eret eroe eroo erre erro erye eryx etee eter etoe etox etoy etre etro ette etto etty exer exo- exor exrx exte extr exxy eyer eyet eyey eyot eyre eyry eyte eyyr o-eo oere oeye oeyo ooer oooo oore oort oory ooty ore- oreo orer orex orey oro- oroe oror orot oroy orro orry orte orto oryx otee oter oto- otoe otoo otor otoy otre otro otry otte otto otyr oxer oxo- oxox oxxo oxy- oyee oyer oyre reet reot rere rero rert rery rete reto retr rett rety rexx reye roer roet roey roor root roox rore roro rort rory rote roto rotr rott roty roxo roxy roye royt rrrr rtee rtex ryet ryot rytt ryyt teer teet teor ter- tere tero terr tery tete teto tetr tett tetx text teye teyr to-y toee toer toet toey toor toot tore toro torr tort torx tory tote toto totr tott toty tox- toxo toxt toyo toyt tre- tree treo tret trex trey troe troo trot trox troy trte trtr try- trye tryo tteo tter ttoe ttoy tttt txtr tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty tyxt xeer xer- xero xert xexe xoro xote xoxo xoyo xtro xtry xxxo xxxx xxxy xyr- yeer yeet yeot yeox yere yero yerr yert yery yete yeto yett yext yeye yeyo yeyr yoot yore yoro yort yory yote yott yoxe yoye yoyo ytre yyyy