-tree eeeee eeler eepee eleet elele ellel eller ellet elpee elper elrey elyte erept erere erpel erply errey erte ertel erter etete etext etree ettel etter ettle etype exept exert exlex expel exper exptl exptr extel exter extre extry eyely eyere eyler eyrer leell leere leert leery lelep lelex lelle lelly lepel leper lepet leppe leppy lepre lepry lept- lerer lerry letre lette letty lexer lexxe leyll leyly leyre leyte lyell lyere lyery lylle lyppe lyter lytle lytre lytte p-rep peele peell peepy peere peerl peert peery peete pelee peler pelet pelle pelly pelyr pepee pepel peple peppe peppy pept- perel perer peret perle perly perre perry perte perty peryr peter petey petr- petre petry pette petty petyt pexel peyer peyet peyll peyre pleep pleet plete pleyt pltry plyer pprey prell prelp prepl prete prety prexy preye prrly pryer pter- ptere ptpre ptprr ptprt pyel- pyell pyere pyle- pyler pylet pylle pyper pyppe pyr-t pyree pyrex pyrle pyrre pyrye pytee pytel pytte pytye reely reepe reere relee relet relex relly relte repel repet reple reply reppe reprt repry repyt rere- reree reret retee retel reter retex retry rette rexel rexer reyle reyll reyte rpety rtext ryell ryley rytel rytte ryyty t-rex teele teell teepe teety tele- telep teler telex tell- telle telly tepee tepet teret terex terre terry tert- tetel teter tetex tetle tetr- tette tetty texel texte teyle teyre tlell tlett tpler treer treet treey trele trepp trept trere trete trett trety trexy treye trxye tryer tryte ttttt ttype tyere tylee tyler tylet tylle tylye typee typer typex typey tyree tyrer tyret tyrle tytle tytte tytyl tyxte xerte xetex xexex xtext xtree xylyl ye-ye yeele yeere yelle yelpt yelpy yelte yeply yerle yeter yette yeyre ylepe ylere yleye yplet ypyll ytelt ytter yyete