eeeee eerie efere eferi effer effie effio efore efrei eieio eirie eofor eorre erere erier eriff erio- eroor erore error feeor feere fefor feier feoff ferie ferio ferr- ferre ferri ferro fieee fieri fiero fifer fifie fiore fiori firee firei firer firie firre foir- foire foore fore- foreo forio forro freei freer freir frere frier frore ieiri ierei ieroe if-- ifere iiiee iiiii ioffe ioooi ioooo iorio irori o-fer oeiro offer offie offir offof offre ofori oo-er ooioo ooooo oorie oreo- oreoi orere orero orfei orfeo orfoe orfor oroer reefe reere refer reffe reffo reiff rere- reree rerir ri-fi riefe rifer riife ririe ro-ro roero roffe rofor rooer roofe roore rorer