-tree eeeee efere efetf effer effet efore efter ehret eofor eorre erere eroor erore eroto error erte erter erthe etete ether etho- etoro etree etter feeor feere fefor feher feoff feret ferr- ferre ferro ferte ferth feteh feter feto- fetor fette foore foote fore- foreh foreo foret forro forte forth forto fotte freeh freer freet frere frett froot frore frote froth ftrtt he-he he-ro heere heete hefer heffe hefte hehte heore heroe herre herro herte herth herto heter hethe hette hetto hheth hhhhh ho-ho ho-oh hoeft hofer hofte hohoe hohot hooer hooft hoore hoort horhe horre horro horth horto hothe hothr hotot hotte hotto hrere hthrt htree o-fer oerth offer offof offre offto ofher ofoto ofter ofthe oh-oh ohfoo ohrot ohthe oo-er ooher ooooh ooooo oothe oreo- orere orero orfeh orfeo orfoe orfor oroer orret orter ortet orth- orthe ortho ortoo otere otero other othre ototo otter reefe reeft reere reerh reeth refer refet reffe reffo reher rehet rehoe rere- reree reret retee reter rethe retro rette retto rheo- rhett rhoeo ro-ro roero roffe rofor rohff rooer roofe rooft roore roote rorer roter rothe rotho roto- rotor rotot rotte rotto teeth tefe tehee teret teror terre terro tert- teter tethe tetr- tetro tette theef theer theft theo- theof theor ther- there therf thero thete theth thofe thoff thoft thore thoro thorr thort thoth thre- three thref threo thret throe throo throt to-ho toeof toerr toeto tofet toffo tofor tofte toher tohoe tohot toore tooth toreo toret torht torre torro torte torto toter tothe toto- totoe totoo totte treer treet trefe treff trere trete trett troee trofe troff troft troth trott ttttt