-tree bbbee bbser be-er beber bebes beebe beebs beeps beers beest beete beets begee beget begge beggs beppe berbe bereg beres beret berge bergs berre berse berte berts besee beset besse beste bests betee beter betes betre betrs bett- bette betts breer brees breet breg- brege bregg brere brers brese bress brest brets brett brrrr bssgp btr-t ebber ebbet eberg ebers ebert eeeee eepee egers egest egger egres egret epees eppes epptb erbbe erber erebs erege erept erere erest erets erres erses erste ersts erte erter ertes esere esp-r esper espre esser esses essse estee estep ester estes estet estre etest etete etree etres etter ettes gberg gbpee geber gebet gebre geeps geere geers geert geese geest geete gegge gerbe gerbs geres gerre gers- gerse gerss gerts gertt geser gesse geste gests getee geter gette getts grebe greer grees greet grege gregg gregs grepe greps grese gress grest grete grett grrrr gsses gtspp gtsss p-rep pbers pebre peege peeps peere peers peert peese peest peete peets pepee pepes peppe pepst pept- perer peres peret perge perps perre perse persp perst perte peses pesse peste pests petbe peter petes petr- petre pette petts pgrep ppers prees pregs prepg preps prese press prest prete pssst pssts pter- ptere pters ptges ptprb ptpre ptprg ptprr ptprs ptprt rebbe rebeg reber rebet rebts reege reepe reere reese reest reger reges reget regge regts regtt repeg repet reppe repps reprt repts rere- reree reres reret resee reses reset resse reste restr rests retee reter retes retrg rette retts rrsps s-gps s-rpg sebbe sebes sebet seebe seege seeps seere seers seese seest seete segeg seger seget segge segre segrt segtb sepet sept- septs serbs serer seres seret serge sergs sergt serpe serps serre serse serss sert- serte serts seser seses sesse seste setee seter setse sette setts speer spees speet spere sperg sperr spert spete spets spree spres spret srprb ss-gb ssgts sssrb sssss steeg steep steer stees steet steg- stege stegs step- stepb stepe stepp steps stept stere sterr sters stert stete stets stger stges strbe strbp streb stree strep stret strrs sttep tbsps tbtbt teber tebet teebs teege teepe teers teese teest teets teges tegre tepee tepes tepet teres teret terge terps terre terrs terse tert- tespe tesse teste tests teter tetes tetr- tette tppts treer trees treet treg- trepp trept trere tres- trese tress trest trete trets trett tsebe tsere tsets tsgts ttest ttttt