-ous iiii iiio iiis iiit iioi iioo iios iirs iisi iisr iist iisu iitr iitt ilio ilir ilis ilit ill- illi illo ills illt iloo ilos ilot ilts ilus ilut ioii ioio ioit iolo iooi iooo ioos iori iors ioso iosu ioto ious iri- iril irio iris irri irrs irti irts irul irus isil isis isit isls iso- isol isor isos isri issi isso issr isss issu isti isto istr ists isus itil itis itll itoi itol itoo itor itos itou itri itrs itsi itso itsu itto itur iuiu iuss iust liii liir liis lili lill lilo lils lilt lilu lio- lior lios liri lirl liro lirr lirs lirt liru lisi liso liss list lisu liti litl lito litr lits litt litu lius liut llll lloo loir lois loit loiu loli loll lolo lols lool loor loos loot lori loro lors losi loso loss lost loti lotl loto lotr lots lott loui loul lour lous lout louu lroi lrrr lrst lrts ls-r lsso lssr lsts ltrs ltsi ltsr lttr luis luit luli lull lulu luri lurs lurt lusi luso luss lust luti luts oiii oils oios oirt oist oisu oiti olio olis olit olli ollo olor olos olot olsi olst oltu olur oolo oooo ooos oort oosi oost oots oous ori- oril orio oris orit orlo orlu oro- oror oros orot orri orro orrs orsi orso orsu orto orts orus osii osis osli oslo osoi osoo osor osos osro ossi osso ossu osti ostr osts osul otis otit oto- otoo otor otos otro otrs otso otsu otti otto otts ottu otur otus ouii ouir ouis ouit ouls oulu our- ouro ours ourt oust out- outi outo outs ouu- riis rill rilo rilu riol rios riot riou riri rirs risi riso riss rist risu riti ritl rito rits ritt ritu rius rlls roil roio roir rois roit roiu roll rolo rolt rooi rool roor roos root rori roro rort roru rosi roso ross rost roti rotl roto rotr rots rott roul rous rout rrrr rsis rsos rssl rsts rstu rtls rtlt rtss rtts ruis ruit rull rulo ruri ruro rurs ruru rusi ruso russ rust rusu ruti rutl ruto ruts rutt rutu s-ii s-os siit sil- sili sill silo sils silt silu siol sior sios siot siou siri siro sirr sirs sirt siru sisi siss sist sisu sit- siti sito sits sitt situ siui sius siut sl-i slir slit sloo slos slot slrs slst slsu slts slur slut soil soir sois soit soli soll solo solr sols solt sool soor soos soot sori soro sorr sors sort soru sosi soso soss sost sotl soto sots sotu soul sour sous sout sris sros srtr ssis ssit sslt ssot ssri ssrl ssrs sssi ssss sstl ssts stil stio stir stis stit stlo stlt stol stoo stor stos stot stou stri stro strs stru stsi stss sttr stul stur stus stut suio suir suis suit sul- suli sull sulo sult sulu suor suos sur- suri suro surr surs surt suru sus- susi suso suss sust susu suti suto sutu suus tiit tiiu till tilo tilr tils tilt tios tiou tiri tirl tiro tirr tirs tiru tisi tiso tiss tist titi tito tits titt titu tlli tlos tlrs toil tois toit tol- toli toll tolo tolt tolu tool toor toos toot tori toro torr tors tort toru tosi toso toss tost tosu toti toto totr tots tott toui toul tour tous tout tri- tril trio tris trit troi troo tros trot trou trsi trst trtr trus trut truu tsis tsoi tsol tsos tsou tssi tssr tsst tsts tsui ttss tttt ttul tuil tuis tuit tuiu tuli tull tulo tulu tuor tuos turi turo turr turs turt turu tusi tuss tust tuti tutl tuto tuts tutt tutu tuuo uirr uist uits ulli ullo ullr ulo- ulos ulti ulto ults ultt ulul ulus uor- uris uriu urls uro- urol uroo urri ursi urso urss ursu urts urur urus urut usis uslu usoi usos ussr usss usst ussu usti usto usts usui usul usus util utis utor utri utsl utti utto uttu uulu uuri uusi uuuu