-tree eeeee eepee eerie eetti eipri eirie eiter eitri emeer emere emeri emert emiri emirp emite emmer emmet emmie empee empte emtee eppie erem- erept erere erier erimi erite erixx ermir ermit erte erter etete etext etite etree etter ettie exeem exeme exept exert exite exmet exper exptr exter extre i-m-r ieiri iepe ieper ierei iette iiiee iiiii iitti imeem imeet immer immie immit immix impee impei imper impet impir imptr imrie ipeti ipiti ippee ippei iprex irete irime irimi irite irpex irrep irrit itete itext itire itrip itter ittre ittti m-rip meere meeri meete meier meire meiri meite meixi memer memex merei merer meret meri- merie merir merit merre merri merte merti meter metir metr- metre metri metrx mette metti mexer mi-mi mimee mimer mimet mimir mimmi mimpi mipep mipim mirer miret mirex mirie mirim mirre mirri mirti miter mitex mitie mitim mitre mitte mitti mixer mixie mixit mixte mixxx mmiii mmmmm mmpip mmxii mpiri mpret mprim mrmet mrpii mrpim mt-te mt-ti mt-tm mt-tp mt-tr mt-tt mtepe mtree mxiii p-rep peere peeri peert peete peire peirt peixe pemex pepee peppe peppi pept- perer peret peri- perie perim perit permi perre perri perte perti peter petie petit petr- petre petri pette petti pexip piere pieri piert piiri pimex piper pipet pipex pipit pippi pipri pirex pirie pirix pirre pirri piter pitie pitip pitre pitri pitti pixie ppxii preem preie preim preme premi premp prete preti prier priit prime primi primm primp prite priti pritt pter- ptere pteri ptime ptpre ptprm ptprr ptprt reeme reepe reere reeti reime remee remer remet remex remi- remit remix repet repit reppe reprt rere- reree reret rerip rerir retee retem reter retex retie retip rette rexer rieti rimer rimmi rimpi riper ripit rippe ririe rripe rtext t-rex teeme teepe temir tempe tempi tempt temri tepee tepet tepit terem teret terex terme terre terri tert- teter tetex tetr- tetri tette texte ti-ti tieit tieme tiere tieri tierp tiexi timei timer timet timex timit tiper tipet tipit tippi tiree tirer tiret tirit titer titii titre titte titti tixte treer treet treie treip treit treix treme tremp trepp trept trere treri trete trett tri-m triei trier triet triip trime tripe tripi tripp tript trit- trite tritt ttime ttttt xerem xerte xetex xexex xmmer xterm xtext xtree xxiii xxxii xxxix