eerier effeir effere effete efreet efter- egerie eggert eggier eifert eirigi er-rif errett etgert etiger feerie feifer feirie ferfer fergee fergie fergit ferier ferrer ferret ferri- ferrie fertee ferter fertig fetter fiefie fierte fiftie figger firret fitter fittie fittig fittit frefre freire frette fterer fterie fterre geegee gegger geggie geiger gerege gereri gergei gerger gerret gerrie gerrit gertie gertte getfit getter gettie giftee gifter giftie gigger gigget giggit gigiri gitige gitter gittie greefe greete greffe greger gregge gregre greife greiff greige greter grette griefe grieff griege griffe grifte grigri gteter i-free i-tree iffier ifiget ifreet igeret igetit igf-ii igreet irrite ittiri r-tree reefer reeffe refeet refeff refert refete refire refrei refret refter regeti reggie regift regret reiter reteer reteet retere retief retire retree retret retrig retter rettig rieger rieter riette rietti riffer rififi rifter rigett rigger rigget rititi ritter t-tree teetee teeter teirei terete terrer terret terrie terrif territ terter tertre tetete tetter tiefer tierer tieret tiete tietie tiff-f tigger tirret tirrit titfer titiri tittee titter tittie treete trefet trefte treget treife tretee tretie trette trifet triger trigit triigi triter