-tree eeeee egers egest egger egres egret erege erere erest erets erres erses erste ersts erte erter ertes esere esser esses essse estee ester estes estet estre etest etete etree etres etter ettes geere geers geert geese geest geete gegge geres gerre gers- gerse gerss gerts gertt geser gesse geste gests getee geter gette getts greer grees greet grege gregg gregs grese gress grest grete grett grrrr gsses gtsss reege reere reese reest reger reges reget regge regts regtt rere- reree reres reret resee reses reset resse reste restr rests retee reter retes retrg rette retts seege seere seers seese seest seete segeg seger seget segge segre segrt serer seres seret serge sergs sergt serre serse serss sert- serte serts seser seses sesse seste setee seter setse sette setts ssgts sssss steeg steer stees steet steg- stege stegs stere sterr sters stert stete stets stger stges stree stret strrs teege teers teese teest teets teges tegre teres teret terge terre terrs terse tert- tesse teste tests teter tetes tetr- tette treer trees treet treg- trere tres- trese tress trest trete trets trett tsere tsets tsgts ttest ttttt