-tree eeeee ehret eorre erere eroor erore eroto error erte erter erthe etete ether etho- etoro etree etter he-he he-ro heere heete hehte heore heroe herre herro herte herth herto heter hethe hette hetto hheth hhhhh ho-ho ho-oh hohoe hohot hooer hoore hoort horhe horre horro horth horto hothe hothr hotot hotte hotto hrere hthrt htree oerth oh-oh ohrot ohthe oo-er ooher ooooh ooooo oothe oreo- orere orero oroer orret orter ortet orth- orthe ortho ortoo otere otero othre ototo otter reere reerh reeth reher rehet rehoe rere- reree reret retee reter rethe retro rette retto rheo- rhett rhoeo ro-ro roero rooer roore roote rorer roter rothe rotho roto- rotor rotot rotte rotto teeth tehee teret teror terre terro tert- teter tethe tetr- tetro tette theer theo- theor ther- there thero thete theth thore thoro thorr thort thoth thre- three threo thret throe throo throt to-ho toerr toeto toher tohoe tohot toore tooth toreo toret torht torre torro torte torto toter tothe toto- totoe totoo totte treer treet trere trete trett troee troth trott ttttt