-tree eeeee eeler eholt ehret eleet elele eleo- eleot ellel eller ellet elloe eloee elole eloor elore eloro elote eloth eltro eorre erere eroor erore eroto errol error erte ertel erter erthe etete ethel ether etho- etoll etool etoro etree ettel etter ettle he-he he-ro heele heere heete hehte heler helle hello helo- helot helre helte helth heole heore herel herle heroe herre herro herte herth hertl herto heter hethe hette hetto hheth hhhhh hhole ho-ho ho-oh hoele hohoe hohol hohot holer holet holle hollo holo- holor holte hooer hoole hoore hoort horel horhe horle horol horre horro horth horto hotel hothe hothr hotol hotot hotte hotto hrere hthrt htree leell leere leert lehel leheo lehre lehto lelle leoth lerer lerot lethe letot letre lette letto lohho loler lollo lolol lolth looer loore loote looth lorel loreo lorer loret lorre lothe lotor lotte lotto oelet oerel oerle oerth oh-oh ohelo ohler ohrot ohthe oleo- olere olleo oller oltet oltre oo-er ooher ooooh ooooo oothe orell oreo- orere orero orhel orlet oroer orret orter ortet orth- orthe ortho ortoo otell otelo otere otero other othre otole otolo ototo otter reere reerh reeth reher rehet rehoe relee relet rello relot relte rere- reree reret retee retel reter rethe retro rette retto rheo- rhett rhoeo ro-ro roell roero rohel rohle roleo rolle rollo rooer roole roore roote rorer rotel roter rothe rotho rotle roto- rotol rotor rotot rotte rotto teele teell teeth tehee tele- teleo teler tell- telle tello telo- teolo teotl teret teror terre terro tert- tetel teter tethe tetle tetr- tetro tette theel theer thele thelo theo- theol theor ther- there therl thero thete theth thole tholl thore thoro thorr thort thoth thre- three threo thret throe throo throt tlell tlett to-ho toerr toeto toher tohoe tohot toler tolet tolle tollo toloo tolor toole toolt toore tooth torel toreo toret torht torre torro torte torto totel toter tothe totle toto- totoe totoo totte treer treet trele trere trete trett troee troll troth trott ttttt