eerier effeir effere effete effutu efreet efter- eifert er-rif erfurt errett ettutu euerie eurite eutere feerie feifer feirie ferfer ferier ferrer ferret ferri- ferrie ferrur fertee ferter fetter feture feuter fiefie fierte fiftie firret fitter fittie fittit frefre freire frette freure fruti- frutti fterer fterie fterre fuerte furfie furfur furrer furrfu furtei futret futter future i-free i-tree iffier ifreet iftrue irrite ittiri r-tree reefer reeffe refeet refeff refert refete refire refrei refret refter refute reiter reteer reteet retere retief retire retree retret retter rettur returf returu reueir reuere reuire reuter reutte rieter riette rietti riffer rififi rifter rititi ritter riuere rufete ruffer ruffet ruffie rufter ruiter rurutu ruttee rutter t-tree te-uri teetee teeter tefui teirei teitur terete terrer terret terrie terrif territ terter tertre tetete tetter teufit tiefer tierer tieret tiete tietie tieute tiff-f tirret tirrit titeuf titfer titiri tittee titter tittie treete trefet trefte treife tretee tretie trette trifet triter truett trufte truiff truite truitt tuffet tuffie tufter tuiuti turfer turret turtur tururu tuteur tutter tuttut ufreet ureter urette urtite uruffe uteute