-tree eeeee eheke ehret ekeko ekker ektor eorre erere erkko eroor erore eroto error erte erter erthe eteke etete ether etho- etoko etoro etree etrek etter he-he he-ro heere heete hehte heker hekk- hekte heore herek herke heroe herre herro herte herth herto hetek heter hethe hette hetto hheth hhhhh ho-ho ho-oh hoeke hohoe hohot hoker hoket hokke hooer hooke hookt hoore hoort horhe horre horro horth horto hothe hothr hotot hotte hotto hrere hthrt htree keeho keere kehek kehoe kehte kerek keret kerre ketek keter kethe keto- kette ketto kheer kheth khoro ko-ko kohte koker koket kokko kokor kokot kokre koreh korek korke koror korro korte korth kotor kotto kre-o kreek kreke kreo- krete kroke kroot krtok oerth oh-oh oh-ok ohrot ohthe okeke okere oketo okhre okker okoho okoro oo-er ooher ooooh ooooo oothe oreo- orere orero oroer oroke orret orter ortet orth- orthe ortho ortok ortoo otere otero other othre ototo otrok otter reere reerh reeth reher rehet rehoe rekke rere- reree reret retee reter rethe retro rette retto rheo- rhett rhoeo ro-ro roero rokee roker roket rokke rokkk rokot rokto rooer rooke rookh roore roote rorer rorke roter rothe rotho rotko roto- rotor rotot rotte rotto rt-rk teeko teeth tehee teket tekke tekko terek teret terok teror terre terro tert- teter tethe tetr- tetro tette theek theer theke theo- theor ther- there therk thero thete theth thoke thore thoro thorr thort thoth thre- three threo thret throe throo throt to-ho toerr toeto toher tohoe tohot toker tokke tokko toko- tokor tooke tookh toore tooth toreo toret torht torke torok torre torro torte torto toter tothe toto- totoe totok totoo totte treer treet trere trete trett troee troke troth trott tteok ttttt