-tree eeeee eepee eerie eetti egger eggie eggig egret eiger eipri eirie eiter eitri eppie erege erept erere erewe erier erite errew erte erter erwig etete etite etree etter ettie etwee ewert geere geert geete gegge geier geige geire geite geitt gepir gerre gerri gertt getee geter getit gette getti giger gigge gippe gippi girei gitie gitig gitit gitwe greer greet grege gregg greig greip greit grepe grete grett grewe grewt grieg grier griet grigg gripe gript grite grrrr grwge gweep gwere gwrgi ieiri iepe ieper ierei iette iggri igigi iiiee iiiii iitti ipeti ipiti ippee ippei iregi irete irewe irite irreg irrep irrit itete itewe itget itigi itire itrip itter ittre ittti iweep iwere iwrit p-rep peege peere peeri peert peete peire peirt pepee peppe peppi pept- perer peret perge peri- perie perit perre perri perte perti peter petie petit petr- petre petri pette petti pewee pewet pewit pewpe pewre pgrep piere pieri piert piewe pigge pigit piiri piper pipet pipge pipit pippi pipri pirie pirre pirri piter pitie pitip pitre pitri pitti preie prepg prete preti prewe prier priit prite priti pritt priwe pter- ptere pteri ptpre ptprg ptprr ptprt reege reepe reere reeti reewe reger reget regge regie regii regtt reigi repeg repet repew repit reppe reprt reprw rere- reree reret rerig rerip rerir retee reter retew retie retip retrg rette rewer rewet rieti rig-i riget riper ripit rippe ririe rripe teege teepe teggi tegir tegre teige tepee tepet tepit teret terge terre terri tert- teter tetr- tetri tette tewer tewet tewit ti-ti tieit tiere tieri tierp tiger tigit tigre tigri tiigi tiper tipet tipit tippi tiree tirer tiret tirig tirit titer titig titii titre titte titti treer treet treg- treie treip treit trepp trept trere treri trete trett trewe triei trier triet trige trigg triip tripe tripi tripp tript trit- trite tritt triwe ttttt tweeg tweep tweer tweet tweie twere twerp twier twigg twire twirp twite weepe weere weert weete weget wegge weier weipe weire weite weper wepit wepte were- werei werew werie werpe werre werte weter wette wi-wi wigge wiper wipit wippe wipte wirer wirie wirwe witer witie witte witti wrete wrett wrier write ww-ii wwiii wwwww