-tree eeeee eeler eleet elele eleo- eleot ellel eller ellet elloe eloee elole eloor elore eloro elote eltro eorre erere eretz eroor erore eroto errol error erte ertel erter etete etoll etool etoro etree ettel etter ettle etzel ezell leell leere leert leez leeze lelle lerer lerez lerot letot letre lette letto lezzo loler lollo lolol looer loore loote looze lorel loreo lorer loret lorre lorze lotor lotte lotto lotze lozel oelet oerel oerle oleo- olere olleo oller oltet oltre oo-er ooooo oozle orell oreo- orere orero orlet oroer orret orter ortet ortoo ortze orzel otell otelo otere otero otole otolo ototo otter ozero ozoro ozzel reelz reere reetz reeze relee relet rello relot relte rere- reree reret rerez retee retel reter retro rette retto rezel rezzo ro-ro roell roero roleo rolle rollo rollz rooer roole roore roote rorer rotel roter rotle roto- rotol rotor rotot rotte rotto rotz rotzo rozel rozet teele teell tele- teleo teler tell- telle tello telo- teolo teotl teret teror terre terro tert- terzo tetel teter tetle tetr- tetro tette tezel tlell tlett toerr toeto toler tolet tolle tollo toloo tolor toole toolt toolz toore tooze torel toreo toret torez torre torro torte torto totel toter totle toto- totoe totoo totte tozee tozer treer treet trele trere trete trett troee troll trooz trott ttttt tzere tzero z-ter zeele zeero zelet zelle zello zeror zerre zerto zetel zetor zlote zollo zolte zorro zotto zzzzz