-tree eeeee eepee eerie eetti eipri eirie eiter eitri epiry eppie erept erere erier erite errey erte erter etete etite etree etter ettie etype eyere eyrer eyrie eyrir eytie ieiri iepe ieper ierei iette iiiee iiiii iitti ipeti ipiti ipity ippee ippei iptty irete irite irrep irrit itete itire itrip itter ittre ittti iyiyi iyyer p-rep peepy peere peeri peert peery peete peire peirt pepee peppe peppi peppy pept- perer peret peri- perie perit perre perri perry perte perti perty peryr peter petey petie petit petr- petre petri petry pette petti petty petyt peyer peyet peyre piere pieri piert piety piiri piper pipet pipey pipit pippi pippy pipri pirey pirie pirre pirri pirry pirye piter pitie pitip pitre pitri pitti pitty pprey preie prete preti prety preye prier priit prite priti pritt pryer pter- ptere pteri ptpre ptprr ptprt pyere pyper pyppe pyr-t pyree pyrie pyrre pyrri pyrye pytee pytte pytye reepe reere reeti repet repit reppe reprt repry repyt rere- reree reret rerip rerir retee reter retie retip retry rette reyte rieti riper ripit rippe ririe rpety rripe ryrie rytte ryyty teepe teety tepee tepet tepit teret terre terri terry tert- teter tetr- tetri tette tetty teyre ti-ti tieit tiere tieri tierp tiper tipet tipit tippi tippy tiree tirer tiret tirit titer titii titre titte titti titty treer treet treey treie treip treit trepp trept trere treri trete trett trety treye triei trier triet triip tripe tripi tripp tript trit- trite tritt tryer tryit tryte ttttt ttype tyere typee typer typey tyree tyrer tyret tyrie tytte ye-ye yeere yeire yerri yeter yette yeyre yipee yippy ytter yyete