-tree eeeee eheke ehret ekeko ekker ektor ekwok eorre erere erewe erkko eroor erore eroto errew error erte erter erthe eteke etete ether etho- etoko etoro etree etrek etter etwee eweek ewert ewhow he-he he-ro heere heete hehte heker hekk- hekte heore herek herke heroe herre herro herte herth herto hetek heter hethe hette hetto hewer hewho hewke hewto hewwo hheth hhhhh ho-ho ho-oh hoeke hohoe hohot hoker hoket hokke hooer hooke hookt hoore hoort horhe horow horre horro horth horto hothe hothr hotot hotte hotto hower howre howth howto howwe hrere hthrt htree htwoo keeho keere kehek kehoe kehte kerek keret kerre ketek keter kethe keto- kette ketto kewet kheer kheth khoro khrew khwee ko-ko kohte koker koket kokko kokor kokot kokre koreh korek korke koror korro korte korth kotor kotow kotto kowhe kowke kowth kre-o kreek kreke kreo- krete krewe kroke kroot krtok kweek kwete oerth oh-oh oh-ok ohhow ohrot ohthe ohwow okeke okere oketo okhre okker okoho okoro oo-er ooher ooooh ooooo oothe oowee oreo- orere orero orhow oroer oroke orret orrow orter ortet orth- orthe ortho ortok ortoo ortwo orwoe otere otero other othre ototo otrok otter oweth oweto owher owre- owte- owtte reere reerh reeth reewe reher rehet rehew rehoe rekke rekow reowe rere- reree reret rerow retee reter retew rethe retow retro rette retto rewer rewet rewth rheo- rhett rhoeo ro-ro roero roewe rokee roker roket rokke rokkk rokot rokow rokto rooer rooke rookh roore roote rorer rorke roter rothe rotho rotko roto- rotor rotot rotte rotto rowek rower rowet rowhe rowke rowte rowth rowto rowwe rt-rk teeko teeth tehee teket tekke tekko terek teret terok teror terre terro tert- teter tethe tetr- tetro tette tewer tewet tewhe tewke tewor theek theer theke theo- theor theow ther- there therk thero thete theth thoke thore thoro thorr thort thorw thoth thowe thowt thre- three threo thret threw throe throo throt throw thwok tkwww to-ho toerr toeto toetw toher tohew tohoe tohot toker tokke tokko toko- tokor tooke tookh toore tooth toreo toret torht torke torok torow torre torro torte torto toter tothe toto- totoe totok totoo totte totwo towee tower towke towoo towre treer treet trere trete trett trewe troee troke troth trott trowe tteok ttttt tweek tweer tweet twere twerk tweth twoer twohr twoor twort twote twoth twoto weeke weere weero weert weete wehee wehre wehte weket wekke weore weork weote weowe were- werew werke werre werte werth weter wethe wetoo wette wetto wewho wheek wheer where wherk whert whete whett whoor whoot whore whorr whort whote whott whowe whwte woeto wooer wooke woore woote woree worke worow worre worth wothe wotte wowee wowke wowow wowte wreke wrete wreth wrett wroke wroot wrote wroth wrowe wwwww