-tree e-fit eeeee eerie eetti efere eferi efetf effer effet effie efrei efter ehire ehret eirie eiter eithe eitri erere erier eriff erite erith erixx erte erter erthe etete etext ether etite etree etter ettie exert exhex exite exter extre feere feher feier feith feret ferie ferit ferr- ferre ferri ferte ferth feteh feter fethi feti- fetii fetir fette ffxii fieee fieri fifer fifie fifth firee fireh firei firer firie firit firre firth fitit fitri fitte fixer fixie fixit freeh freei freer freet freex freir freit frere frett frier frite frith fritt frixe ftrtt he-he heeii heere heete hefei hefer heffe hefte hefti hehte heihe heire heith heiti heixt herei herie herif herit herre herte herth herti heter hethe hette hexer hexie hexit hheth hhhhh hi-ex hi-fi hi-hi hier- hiree hirer hirth hithe hitit hitte hrere hthrt htree ieiri ierei iethe iette if-- ifere iffet ifrit ifthe ifttt ihere ihite iiiee iiiii iitti irete irite irrit itete itext itfet itfit ithee ither itire itter itthe ittre ittti reefe reeft reere reerh reeth reeti refer refet reffe refit refix reher rehet rehit rehri rehti reiff reith rere- reree reret rerir retee reter retex rethe retie rette rexer rhett ri-fi riefe rieth rieti rifeh rifer rihte riife ririe rithe rithi rtext t-rex teeth tefe teffi tehee tehri teret terex terif terre terri tert- teter tetex tethe tetr- tetri tette texte tfifx theef theei theer theex theft theie theif their theit theix ther- there therf theri thete theth thexx thief thier thife thift thire thiri thite thre- three thref thret thrie thrix ti-he ti-hi ti-ti tieit tiere tieri tieth tiexi tiffe tiree tireh tirer tiret tirit tirth titer tithe tithi titii titre titte titti tixte treer treet trefe treff treie treif treit treix trere treri trete trett triei trier triet trife trit- trite tritt ttttt xerif xerte xetex xexex xfire xheet xtext xtree xxiii xxxii xxxix