eeee eero eery eete eore eoto erer eret erev eroe eroo erre erro erve erye etee eter etoe etoy etre etro ette etto etty etvo ever evet evey evoe evoo evre evry 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 orve orvr otee oter oto- otoe otoo otor otov otoy otre otro otry otte otto otyr ovee over ovet ovey ovo- ovoo ovot ovre oyee oyer oyre reet reev reot rere rero rert rery rete reto retr rett rety reve revo revy reye roer roet roev roey roor root rore roro rort rory rote roto rotr rott roty rove rovo roye royt rrrr rtee rtve rver ryet ryot rytt ryyt teer teet teev teor ter- tere tero terr tery tete teto tetr tett teye teyr to-y toee toer toet toey toor toot tore toro torr tort torv tory tote toto totr tott toty tove tovo toyo toyt tre- tree treo tret trev trey troe troo trot troy trte trtr try- trye tryo tteo tter ttoe ttoy tttt tver tvro tvrr tvtv tvyo tyee tyer tyet tyr- tyre tyro tyrr tyte tyto tytt tyty veer veet veor ver- vere vero vert very vete veto vetr veve vevo vevy veye veyr voer voet voor voot vor- vore voro vort vory vote voto voye vreo vret vrot vrto vryt vver vvvv vyer vyre vyrt vyte yeer yeet yeot yere yero yerr yert yery yete yeto yett yeve yeye yeyo yeyr yoot yore yoro yort yory yote yott yove yoye yoyo ytre yver yvor yvto yyyy