e-text eerier effeir effere effete efreet efter- eifert er-rif errett exeter exiter expert expire extirp feerie feifer feirie ferfer ferier ferrer ferret ferrex ferri- ferrie ferrix fertee ferter fetter fiefie fierte fiftie firret fitter fittie fittit freepr frefre freire frette frexit fterer fterie fterre i-free i-tree iffier ifixit ifreet ipeter ipfire irrite ittiri peepee peeper peerer peerie peeter peetre peetri peffer peiere peiper pepper perere perfit perfix perier perire perite perper perpet perree perret perrex perrie perter pertex pertie pertre peteet peteri petiet petite petitf petree petrer petri- petrie petter pettet petti- pettit pie-ix pieper pierie pierre pierri pieter pietri piette piffer piperi pipier pipipi pipiri pipper pippet pippip piree pirrie pirrip pitier pitpit pitter pittie pixter pppppp preeti prefer prefet preffe prefix preier preiff preire prepex preter pretex pretre prette prexie priefe priere priffe prifti pterri r-tree reefer reeffe reeper refeet refeff refert refete refire refrei refret refter reftex reiter repete repier repipe repper repref reprie reteer reteet retere retief retire retree retret retrip retter rieter riette rietti riffer rififi rifter ripert ripier ripper rippet rippit rititi ritter t-tree teepee teetee teeter teirei teppei tepper terepi terete terper terrer terret terrex terrie terrif territ terter tertre tetete tetrix tetter tettix texier texter tiefer tierer tieret tiete tietie tiff-f tip-it tipe-x tipiti tippee tipper tippet tippit tirret tirrit titfer titiri tittee titter tittie tixier tixter treete trefet trefte treife treppe tretee tretie trette trifet tripet trippe triter tritip trixie x-fire x-rite x-tree xerept xerert xeriff xieite xiexie xtripx xxxiii