orus osii osim osis osm- osmo osoi osoo osor osos osro ossb ossi osso ossu osti ostr osts osum otbs otis otit oto- otoo otor otos otro otrs otso otsu otti otto otts ottu otur otus oubs ouii ouir ouis ouit oumi our- ouro ours ourt oust out- outb outi outo outs ouu- rbbb rbbr rbbs rbis rbms rbss rbst rib- ribo ribs ribu riis rimi rimm rimo rims rimu riom rios riot riou riri rirs risi rism riso riss rist risu riti rito rits ritt ritu rius rmbs rmst rmtu rob- robb robi robo robs robt robu roio roir rois roit roiu romb romi romm romo roms roob rooi room roor roos root rori roro rort roru rosi roso ross rost roti roto rotr rots rott roub roum rous rout rrrr rrum rsbi rsis rsos rsts rstu rsum rtmi rtms rtss rtts rubb rubi rubs rubu ruis ruit rumb rumi rumm rumo rums rumt ruri ruro rurs ruru rusi ruso russ rust rusu ruti ruto ruts rutt rutu s-ib s-ii s-os sbbs sbor sbot sbsi sbst sbus sibi sibo sibs sibu siim siit simi simm simo sims simt sior sios siot siou siri siro sirr sirs sirt siru sisi siss sist sisu sit- siti sito sits sitt situ siui sium sius siut smis smit smos smot smrt smss smti smtu smur smus smut sobo sobr sobs sobt sobu soim soir sois soit somb somi somm somo soom soor soos soot sorb sori sorm soro sorr sors sort soru sosi soso soss sost sotm soto sots sotu soum sour sous sout srib srim sris sros srtr srub ssbr ssis ssit ssot ssri ssrm ssrs sssb sssi sssm ssss sstb ssts stbs stib stim stio stir stis stit stms stmt stob stom stoo stor stos stot stou stri stro strs stru stsi stsm stss sttr stub stum stur stus stut sub- subb subi subm subo subs suio suir suis suit sum- sumi sumo sums sumu suor suos sur- suri suro surr surs surt suru sus- susi suso suss sust susu suti suto sutu suum suus t-mo tbbs tbit tbrb tbst tibi tibs tibu tiit tiiu timi timm timo tims timu tios tiou tirb tiri tiro tirr tirs tiru tisb tisi tism tiso tiss tist titi tito tits titt titu tium tmbr tmos tmou tmro tmsi tmtt tobi tobo tobs tobt tobu tois toit tomb tomi tomm tomo toms tomt toom toor toos toot tori torm toro torr tors tort toru tosb tosi toso toss tost tosu toti totm toto totr tots tott toui toum tour tous tout tri- trib trim trio tris trit trmb trmi trms trmu troi trom troo tros trot trou trsi trst trtr trub trus trut truu tsis tsob tsoi tsom tsos tsou tssi tssm tssr tsst tstm tsts tsui tsum ttbb ttim ttms ttss tttt tubb tubo tubr tubs tubu tuim tuis tuit tuiu tumb tumi tums tumu tuor tuos turb turi turm turo turr turs turt turu tusi tusm tuss tust tuti tuto tuts tutt tutu tuum tuuo ubbi ubbo ubii ubir ubis ubit ubos uims uirr uist uits umb- umbi umbo umit ummo umms umor umri umsu umts umus umut uomo uor- urbi urbs urib urim uris uriu urmi uro- urom uroo urri ursi urso urss ursu urts urum urur urus urut usbr usbs usim usis usmm usms usoi usos ussb ussr usss usst ussu ustb usti ustm usto usts usui usus utis utmb utor utri utti utto uttu uuri uusi uuuu

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