eerier effeir effere effete efreet efter- eifert er-rif errett ewerer feerie feifer feirie ferfer ferier ferrer ferret ferri- ferrie fertee ferter fetter fewtee fewter fewtir fiefie fierte fiftie firret fitter fittie fittit frefre freire frette fterer fterie fterre fwrite i-free i-tree iffier ifreet irrite ittiri itwere r-tree reefer reeffe refeet refeff refert refete refire refrei refret refter reiter reteer reteet retere retief retire retree retret retter rewere rewire rieter riette rietti riffer rififi rifter rititi ritter t-tree te-wit teetee teeter teewit teirei terete terrer terret terrie terrif territ terter tertre tetete tetter tiefer tierer tieret tiete tietie tiff-f tirret tirrit tirwit titfer titiri tittee titter tittie treete treewe trefet trefte treife tretee tretie trette trewit trifet triter weerie weewee wefere weffer weiete weiter weiwei wereit werrei werrie werrit wertew wetere weteri wetfie wetter wewere wietie wifier wiifit wirier wirrie wittee witter wreitt wrette writee writer