rhob rhoc rhoh rhum rmtu rob- robb robo robt robu rocc roch rock roco rohm rohr rohu rokh rokk roko rokr roku romb romk romm romo roob rook room roor root rorc rork roro rort roru rotc roth rotk roto rotr rott roub rouh rouk roum rout rrkm rrmc rrrr rrum rtcc rtcm rthk rtmc rubb rubu ruch ruck ruct ruhh ruhm ruhr rukh rukk ruku rumb rumm rumo rumt ruok rurc ruro ruru ruth ruto rutt rutu t-mo tbcb tbcc tbrb tccc tccu tch- tchh tcho tchr tchu tcom tctc thch thmb thmt thom thoo thor thot thou thro thru thtb thtr thuk thum thur tmbc tmbr tmcc tmcm tmmk tmou tmro tmtt tobo tobt tobu toch tock toco toho tohu toko toku tomb tomm tomo tomt tooh took toom toor toot torc tork torm toro torr tort toru totc toth totm toto totr tott touh touk toum tour tout trcc trmb trmk trmu troc trom troo trot trou trtc trtr trub truc truk trut truu ttbb tttt tubb tubo tubr tubu tucc tuch tuck tuco tuht tuhu tuko tumb tumu tuor turb turc turk turm turo turr turt turu tuto tutt tutu tuum tuuo ubbo uboc ucbc ucho ucmc ucom ucrc ucut uhoh uhok uhuh ukcc ukko ukok ukrc ukum ukur umb- umbo ummo umok umor umut uocc uomo uor- urch urho uro- urok urom uroo urrh urth uruk urum urur urut utmb utor utto uttu uuoc uuuu