effere effete efreet efter- efters epesse eretes errest errett erster espere espers essert essess esssse estees esters estree estres estter esttes f-test feeres feeses ferfer ferrer ferres ferret fertee ferter fesere fesser fesses fester fetter fettes freepr freeps freers freese freest frefre freres fresse fresst frette fretts fterer fterre peepee peeper peerer peerse peeter peetre peffer pepper perere peress perfes perper perpet perree perret persee perses persse perter pertre pespes pesser pester pestre peteet peters petree petrer petter pettet pppppp ppsspp preers preest prefer prefet preffe presee preses preset press- presse pressf preste prests preter pretre prette pstree r-tree reefer reeffe reeper reeser reeses reests refeet refeff refers refert refete refret refter repete repets repper repref rerees resees resets respet rester restes restte reteer retees reteet retere retest retree retret retter see-er seesee seetep sepses septer septet septre serefe serere serers serest serpet serre- serres serret sesser sesses sester sestet sestre setees seters setfee settee setter speere speers sperre sperse sperte spette sprees spreet sprete sprett srprss sssfrs ssteps steeps steere steers stepes steppe stepps stere- sterep sterer steres sterre sterte stpete streep street strepe streps strept stress strete t-test t-tree teepee teerts teests teetee teeter tepees tepper terese terete terets terper terrer terres terret terser terset terter tertre tesser tesses testee tester testes tetete tetter treete treets trefet trefte treppe tresse tretee tretes trette tsetse ttests