e-text eerier effeir effere effete efreet efter- eifert er-rif errett exeter exiter feerie feifer feirie ferfer ferier ferrer ferret ferrex ferri- ferrie ferrix fertee ferter fetter fiefie fierte fiftie firret fitter fittie fittit frefre freire frette frexit fterer fterie fterre i-free i-tree iffier ifixit ifreet irrite ittiri r-tree reefer reeffe refeet refeff refert refete refire refrei refret refter reftex reiter reteer reteet retere retief retire retree retret retter rieter riette rietti riffer rififi rifter rititi ritter t-tree teetee teeter teirei terete terrer terret terrex terrie terrif territ terter tertre tetete tetrix tetter tettix texier texter tiefer tierer tieret tiete tietie tiff-f tirret tirrit titfer titiri tittee titter tittie tixier tixter treete trefet trefte treife tretee tretie trette trifet triter trixie x-fire x-rite x-tree xerert xeriff xieite xiexie xxxiii