e-i-e-i- effingen effringe eggingen energing enfiring enfringe engineer engining engregge engreiff eppingen eppinger expiring feigning feringee ferriere fingerer freeping freerein frienger frigging fringier fringing gegenini geinegge genepi gennifer gerniere greegree greenfee greengen greenier greening greffier grepping griefing griffier grinning grippier gripping i-ii-iii iggingen inerring inferrer infixing infringe ingeneer ingenier ingineer irigenin neipperg nigerien nigrefie ningning nininger peenging peeppeep peperine pepingen pepperer peregrin perierer periperi perrerer pfeiffer pfennige pin-fire pingping piperine pipingin pippiree piripiri pre-preg preening preferee preferer prefixne pregnene preppier prepping preripen prigging prixfixe refering referree referrer reffrein refinger refining refiring refixing refringe regening reiffing reigning reneging rengrege repining repiping repriefe rerefief rexingen rierreef ringgrin ripening xingning xingping