-ene -one eeee eefe eefn eero efen efeo efon efor eheh ehen eher ehre enee eneo ener enne eno- enoe enon eone eore eren erer erne erno eroe eron eroo erre erro feen feer fefe feff fefo fehr fene fenn feof feoh feon fere fern fero ferr ffee ffff ffrr foer fofo fohn fohr fone fono foof foon for- fore forn foro forr free fren freo froe froh fron heef heer hefe hehe hehn heho hene henh henn heno heor here hern hero herr hhhh hhof hoen hoer hofe hoff hohe hohn hoho hone hono hooe hoof hoon hoor hore horn horo horr hree hron neef neen neer nefe neff nefh nehe nene nenh neno neo- neon neoo nere nerf nero nerr nfer nfff nfon nhnn nhon nnnn noer nohn noho non- none nonn nono noo- noon nooo noor nor- nore norf norn noro norr nren nron o-eo oen- oeno oere ofen ofer off- offe offh offo offr ofno ofor ofre ohee ohen oher ohho ohne ohno ohoh ohre ohrn one- onee oneh oneo oner onne onno onon onor ooer ooff ooho oone oooh oooo oore ore- oreh oren oreo orer orfe orff orhe orne orno oro- oroe orof oron oror orro reef reen refe reff refn refr rehe rehn rene renn reno reof rere rero rfef rhee rhen rheo rhoh rhon roen roer rofe roff rofo rohe rohn rohr rone rono roof roon roor rore roro rrrr