-tree eeeee eepee epees eppes erept erere erest erets erewe erres errew erses erste ersts erte erter ertes esere esp-r esper espew espre esser esses essew essse estee estep ester estes estet estew estre etest etete etree etres etter ettes etwee ewers ewert ewest p-rep peeps peere peers peert peese peest peete peets pepee pepes peppe pepst pept- perer peres peret perps perre perse persp perst perte peses pesse peste pests peter petes petr- petre pette petts pewee pewet pewpe pewre ppers prees preps prese press prest prete prewe prews pssst pssts pter- ptere pters ptpre ptprr ptprs ptprt reepe reere reese reest reewe repet repew reppe repps reprt reprw repts rere- reree reres reret resee reses reset resew resse reste restr rests retee reter retes retew rette retts rewer rewet rrsps seeps seere seers seese seest seete sepet sept- septs serer seres seret serew serpe serps serre serse serss sert- serte serts serwe seser seses sesse seste setee seter setse sette setts sewee sewer sewet sewre sewte speer spees speet spere sperr spert spete spets spews spree spres spret sprew sssss steep steer stees steet step- stepe stepp steps stept stere sterr sters stert stete stets stews stree strep stret strew strrs strwe sttep sweep sweer sweet swepe swept swere swert swete swets swett swtte teepe teers teese teest teets tepee tepes tepet teres teret terps terre terrs terse tert- tespe tesse teste tests teter tetes tetr- tette tewer tewes tewet tppts treer trees treet trepp trept trere tres- trese tress trest trete trets trett trewe trews trwes tsere tsets tswet ttest ttttt tweep tweer twees tweet twere twerp twrss weepe weeps weere weert weese weesp weest weete weets weper wepte were- weres werew werpe werre werse werst werte wesee weser wespe wesse weste wests weter wette wrest wrete wrett wwwww