omuo ooaa ooba oobi ooha ooho ooia ooma oooh oooo oora oort ootb orab orah orai oram orao orar orat orba orbb orbi orbo orbu ori- oria orio orit orma ormo oro- orom oror orot orra orri orro orta orth orto orub orum otar otha otho othr otit otma oto- otoh otoo otor otra otro otta otti otto ottu otur ouat ouii ouir ouit ouma oumi our- oura ouro ourt out- outa outb outh outi outo ouu- raab raam raat raba rabb rabi rabo rabu raha rahi rahm rahr raht rahu raia raii raim rair rait raiu rama ramb rami ramm ramo ramu raob raoh raom rara rarb rari raro rata rath rati rato ratt ratu raua raub raum raut rbbb rbbr rboh rhau rhib rhim rhio rhoa rhob rhoh rhum riaa riab riah riai riam riat riau rib- riba ribo ribu riha riho riht riia rima rimi rimm rimo rimu riom riot riou riri rita rith riti rito ritt ritu rmtu roab roam roar roat rob- roba robb robi robo robt robu roha rohm rohr rohu roia roio roir roit roiu roma romb romi romm romo roob rooi room roor root rora rori roro rort roru rota roth roti roto rotr rott roua roub rouh roum rout rrah rrat rrrr rrum rtai rtmi ruah ruba rubb rubi rubu ruhh ruhi ruhm ruhr ruit ruma rumb rumi rumm rumo rumt rura ruri ruro ruru ruta ruth ruti ruto rutt rutu t-mo taa- taar taat taba tabb tabi tabo tabu taha tahi taho tahr tahu taia taim taio tair tait tama tami tamm tamo tamu taoa taom taor taou tara tarb tari tarm taro tarr tart taru tata tatb tath tati tato tatr tatt tatu taua taub taum taur taut tbar tbit tbrb tbta thaa thai tham thao thar that thau thi- thia thim thio thir thmb thmt thom thoo thor thot thou thra thri thro thru thtb thtr thum thur tiaa tiab tiao tiar tiba tibi tibu tiht tihu tiit tiiu tima timi timm timo timu tiou tira tirb tiri tiro tirr tiru tita tith titi tito titt titu tium tmaa tmbr tmou tmro tmtt toab toam toat toau toba tobi tobo tobt tobu tohi toho tohu toit toma tomb tomi tomm tomo tomt tooa tooh toom toor toot tora tori torm toro torr tort toru tota toth toti totm toto totr tott touh toui toum tour tout traa trab trai tram trao trat trau tri- tria trib trim trio trit trma trmb trmi trmu troa troi trom troo trot trou trra trtr trub trut truu ttab ttbb ttim ttma tttt tuam tuao tuar tuat tuba tubb tubo tubr tubu tuht tuhu tuim tuit tuiu tuma tumb tumi tumu tuor tura turb turi turm turo turr turt turu tuta tuti tuto tutt tutu tuum tuuo uair uart uaru uata uath uatu uaua ubar ubba ubbi ubbo ubii ubir ubit ubra uhoh uhta uhti uhuh uima uira uirr umaa umai umar umb- umba umbi umbo umit umma ummo umor umra umri umut uomo uor- urai urao urat urau urba urbi urho uria urib urim uriu urma urmi uro- uroa urom uroo urra urrh urri urth urum urur urut utah utai utau utha utia utmb utor utri utti utto uttu uuri uuta uuuu