eeee eero eery eete eore eoto erer eret eroe eroo erre erro erye etee eter etoe etoy etre etro ette etto etty eyer eyet eyey eyot eyre eyry eyte eyyr o-eo oere oeye oeyo ooer oooo oore oort oory ooty ore- oreo orer orey oro- oroe oror orot oroy orro orry orte orto otee oter oto- otoe otoo otor otoy otre otro otry otte otto otyr oyee oyer oyre reet reot rere rero rert rery rete reto retr rett rety reye roer roet roey roor root rore roro rort rory rote roto rotr rott roty roye royt rrrr rtee ryet ryot rytt ryyt teer teet teor ter- tere tero terr tery tete teto tetr tett teye teyr to-y toee toer toet toey toor toot tore toro torr tort tory tote toto totr tott toty toyo toyt tre- tree treo tret trey troe troo trot troy trte trtr try- trye tryo tteo tter ttoe ttoy tttt tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty yeer yeet yeot yere yero yerr yert yery yete yeto yett yeye yeyo yeyr yoot yore yoro yort yory yote yott yoye yoyo ytre yyyy