eerier effeir effere effete effutu efreet efter- eifert er-rif erfurt errett etrez ettutu euerie eurite eutere feerie feifer feirie ferez ferfer ferier ferrer ferret ferrez ferri- ferrie ferriz ferrur fertee ferter fetter feture fetzer feuter fiefie fierte fierze fiftie firret firuzi fitter fittie fittit fizzer freeez freeze frefre freire frette freure frieze fritzi frizer frizzi fruti- frutti fterer fterie fterre fuerte furfie furfur furrer furrfu furtei futret futter future i-free i-tree iezeru iffier ifreet iftrue irrite ittiri izeure r-tree reefer reeffe refeet refeff refert refete refire refize refrei refret refter refute reiter reizei 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 ruzizi t-tree te-uri teetee teeter tefui teirei teitur terete terfez terizi terrer terret terrie terrif territ terter tertre terzet tetete tetter teufit ti-tzu tiefer tierer tieret tiete tietie tietze tieute tiff-f tiriez tirret tirrit titeuf titfer titiri tittee titter tittie tizeur treete trefet trefte treife treitz treize tretee tretie trette trifet triter truett trufte truiff truite truitt tuffet tuffie tufter tuiuti turfer turret turtur tururu tuteur tutter tuttut tzetze tzurit uffizi ufreet ureter urette urtite uruffe uteute zefiri zeriff zertz zezere zierer ziffer zrizer zutter