de-err dedets deeded deedee deeder deedes deeres deeses deesse defers defese defete deffer defter derere derfde derrer deseed desere desert desese desree desres dester deterr deters detest detete detter dreder dresse e-feds edders edress effere effete efreet efter- efters eretes errest errett erster essede esseds essert essess esssse estedt estees esters estree estres estter esttes f-test fedder federd feeded feedee feeder feered feeres feeses ferder ferede ferfer ferred ferrer ferres ferret fertee ferter fesere fessed fesser fesses fester fetter fettes freers freese freest frefre freres fresse fresst frette fretts fterer fterre r-tree redded redder redere redred redted reeded reeder reefed reefer reeffe reesed reeser reeses reests refeed refeet refeff refers refert refete reffed refret refter rerees resede reseed resees resets rested rester restes restte reteed reteer retees reteet retere retest retree retret retted retter sedded sedere seders see-er seeded seedee seeder seedes seedrs seered seesee serdes serefe serere serers serest serre- serres serret sessed sesser sesses sester sestet sestre setees seters setfee settee setter sssfrs stderr steeds steere steers stere- sterer steres sterre sterte strede street stress strete t-test t-tree tedded tedder teeder teerts teests teetee teeter terese terete terets terrer terres terret terser terset terter tertre tesser tesses tested testee tester testes tetede tetete tetter treder treete treets trefet trefte tresse tretee tretes trette tsetse ttests