eerier effeir effere effete efreet efter- egerie eggert eggier eifert eirigi epigee 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 freepr frefre fregit 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 gipper gitige gitter gittie greefe greete greffe greger gregge gregre greife greiff greige greter grette griefe grieff griege griffe grifte grigri griper grippe gteter i-free i-tree iffier ifiget ifreet igeret igetit igf-ii igreet ipeter ipfire irrite ittiri peegee peepee peeper peerer peerie peeter peetre peetri peffer pegger peiere peiper pepper perere perfit perger perget pergit perier perire perite perper perpet perree perret perrie perter pertie pertre peteet peteri petiet petite petitf petpig petree petrer petri- petrie petter pettet petti- pettit pieper pierie pierre pierri pieter pietri piette piffer piggie piperi pipier pipipi pipiri pipper pippet pippig pippip piree pirrie pirrip pitier pitpit pitter pittie pppppp preeti prefer prefet preffe preier preiff preire preter pretre prette priefe priere priffe prifti prtege pterri r-tree reefer reeffe reeper refeet refeff refert refete refire refrei refret refter regeti reggie regift regret regrip reiter repete repier repipe repper repref reprie reteer reteet retere retief retire retree retret retrig retrip retter rettig rieger rieter riette rietti riffer rififi rifter rigett rigger rigget ripert ripier ripper rippet rippig rippit rititi ritter t-tree teepee teetee teeter teirei teppei tepper terepi terete terper terrer terret terrie terrif territ terter tertre tetete tetter tiefer tierer tieret tiete tietie tiff-f tigger tip-it tipiti tippee tipper tippet tippit tirret tirrit titfer titiri tittee titter tittie treete trefet trefte treget treife treppe tretee tretie trette trifet triger trigit triigi tripet trippe triter tritip