-tree d-rev ddddd dedde dedee deder deede deepe deepp deepv deere deeve derde dered derpt derre derve deter detre dette dever devet drdre dredd drede dreed dreep drepe drere dreve dvd-d dvd-r e-dee edder eddre edere edred eeeee eeped eepee eerde eevee eever erdre erede erept erere ereve erred erte erter etete etree etter evdev evere everr evert evete evett eveve p-rep pdvvp pedee peere peert peete peeve pepee peppe pept- perde perer peret perre perte perve peter petr- petre pette prede prepd prete pretv preve pter- ptere ptprd ptpre ptprr ptprt redde reder reede reepe reere reeve repet reppe reprt reptd rerde rere- reree reret reted retee reter rette revep rever revet rtrev teder teepe teerd tepee tepet teret terre tert- terve teter tetr- tette tevet treed treer treet trepp trept trere trete trett treve ttttt vedde veder veede veere veeve veper verd- verde vered verre verte verve vette vever vrede