eerier effeir effere effete effoff effore effort eforie efreet efter- eifert eitorf eototo er-rif eroto- errett errori etoeot ettore feerie feeror feetof feifer feirie feofor ferfer ferier ferior ferrer ferret ferri- ferrie ferro- fertee ferter fetter fiefie fierro fierte fiftie firret fitero fitfor fitoor fitore fitter fittie fittit foerre foeti- foeto- foetor foofoo footer footie footit forrer forrit forrot fortee forter freeof freeto frefre freire frette frifot fritto froofe frooti fterer fterie fterre i-free i-tree ier-oe ierror iffier ifreet iiooio ioffer irereo irrite itoite ittiri ittro- oerter oferre offeet offire offrir oftfor oofotr oooooo ototoi otteri ottoii ottoor r-tree reefer reeffe refeet refeff refert refete refire refoot refrei refret refter reiter reroof reroot reteer reteet reteoo retere retief retire retiro retore retort retree retret retro- retrot retter rieter riette rietti riffer rififi rifter riot-e rioter riteof rititi ritter ritto roeier roiffe roiter roofer roofie rooter rootie rootof rootte roreti rorter rotter rottie t-tree teeoff teetee teeter teirei terete terreo terrer terret terrie terrif territ terror terrot terter tertio tertre tetete tetter tiefer tieoff tierer tieret tiete tietie tiff-f tirret tirrit titfer titfor titiri titoff tittee titter tittie to-fro to-rit toeier toetoe toffee tofore toftir toitoi toofer toorie tooter tootie tootoo torero torfer torito torori tororo torret torrit tortie tortor totoro totrot totter tottie tottoi treeof treete trefet trefor trefot trefte treife tretee tretie trette trifet triter trito- tritor troffe trofie troite trotro trotte