eeee eefe eero eery efeo effy efor eore erer erev eroe eroo erre erro erve erye ever evey evoe evoo evre evry eyer eyey eyre eyry eyyr feer fefe feff fefo feof fere fero ferr ferv fery feve fevr feyr ffee ffff ffrr foer fofo foof for- fore foro forr fove fr-v free freo frey froe frye fvey fyeo fyfe fyre fyry fyve o-eo oere oeye oeyo ofer off- offe offo offr offy ofor ofre ooer ooff oofy oooo oore oory ore- oreo orer orey orfe orff oro- oroe orof oror oroy orro orry orve orvr ovee over ovey ovo- ovoo ovre oyee oyer oyre reef reev refe reff refr reof rere rero rery reve revo revy reye rfef roer roev roey rofe roff rofo roof roor rore roro rory rove rovo roye rrrr rver ryfe ryff ryyf veer veor ver- vere vero very veve vevo vevy veye veyr vfor voer voff vofr voor vor- vore voro vory voye vref vreo vver vvvv vyer vyfe vyff vyre yeer yefe yeff yeof yere yero yerr yery yeve yeye yeyo yeyr yoff yoof yore yoro yory yove yoye yoyo yrof yver yvor yyfe yyff yyyy