orit ormn ormo orni orno oro- orom oron oror orot orri orro orth orto orub orum otho othr otin otit oto- otog otoh oton otoo otor otro otti otto ottu otur ough ouii ouin ouir ouit oumi oun- oung our- ourn ouro ourt out- outb outh outi outo ouu- rbbb rbbr rbgh rboh rgbi rgit rgtr rhbg rhib rhim rhin rhio rhob rhog rhoh rhon rhug rhum rhun rib- ribo ribu rigg righ rigi rigo rigu riho riht riin rimi rimm rimo rimu ring rinn rino riom rion riot riou riri rith riti rito ritt ritu rmon rmrg rmtu rnbr rnin rnnt rnot rnut rob- robb robi robo robt robu rogg rogh rogi rogo rohm rohn rohr rohu roig roin roio roir roit roiu romb romi romm romo rong roni rono ront roob roog rooi room roon roor root rori roro rort roru rotg roth roti rotn roto rotr rott roub rouh roum roun rout rrrr rrum rrun rtmi rubb rubi rubu rugg rugh rugi ruhh ruhi ruhm ruhn ruhr ruin ruit rumb rumi rumm rumo rumt rung runi runn runo runt ruri ruro ruru ruth ruti ruto rutt rutu ruun t-mo tbit tbrb thi- thig thim thin thio thir thmb thmt thnt thog thom thon thoo thor thot thou thri thro thru thtb thtr thug thum thun thur tibi tibu tigh tigi tigm tigr tiht tihu tiit tiiu timi timm timn timo timu ting tini tinn tino tint tinu tion tiou tirb tiri tiro tirr tiru tith titi tito titt titu tium tmbg tmbr tmnt tmou tmro tmtt tnut tobi tobo tobt tobu togh togo togr togt tohi toho tohu toit tomb tomg tomi tomm tomo tomt tonb tong tonh toni tonn tono tonu tooh toom toon toor toot torg tori torm torn toro torr tort toru toth toti totm toto totr tott toug touh toui toum toun tour tout tri- trib trig trim trin trio trit trmb trmi trmu trng trno trog troi trom tron troo trot trou trtr trub trug trun trut truu ttbb ttim tton tttt tubb tubo tubr tubu tugg tugh tugu tuht tuhu tuig tuim tuin tuit tuiu tumb tumi tumu tunb tung tuni tunn tuno tunu tuor turb turg turi turm turn turo turr turt turu tuti tuto tutt tutu tuum tuuo ubbi ubbo ubii ubir ubit ubon uggo uggt ughi ugni ugri ugro ugur uguu uhno uhoh uhti uhuh uint uirr umb- umbi umbo umgo umit ummg ummo umno umor umri umut ungo ungu uni- unii unin unio unir unit unmr unni unno unon unro untb unth unto unum unut uomo uor- urbi urgh urgi urgu urho urib urim urin uriu urmi urni uro- urom uroo urrh urri urth urum urun urur urut utin utmb utor utri utti utto uttu utug uuni uuno uuri uuuu