-ous llll lloo loll lolo lols lool loor loos loot loro lors loso loss lost lotl loto lotr lots lott loul lour lous lout louu lrrr lrst lrts ls-r lsso lssr lsts ltrs ltsr lttr lull lulu lurs lurt luso luss lust luts ollo olor olos olot olst oltu olur oolo oooo ooos oort oost oots oous orlo orlu oro- oror oros orot orro orrs orso orsu orto orts orus oslo osoo osor osos osro osso ossu ostr osts osul oto- otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouls oulu our- ouro ours ourt oust out- outo outs ouu- rlls roll rolo rolt rool roor roos root roro rort roru roso ross rost rotl roto rotr rots rott roul rous rout rrrr rsos rssl rsts rstu rtls rtlt rtss rtts rull rulo ruro rurs ruru ruso russ rust rusu rutl ruto ruts rutt rutu s-os sloo slos slot slrs slst slsu slts slur slut soll solo solr sols solt sool soor soos soot soro sorr sors sort soru soso soss sost sotl soto sots sotu soul sour sous sout sros srtr sslt ssot ssrl ssrs ssss sstl ssts stlo stlt stol stoo stor stos stot stou stro strs stru stss sttr stul stur stus stut sul- sull sulo sult sulu suor suos sur- suro surr surs surt suru sus- suso suss sust susu suto sutu suus tlos tlrs tol- toll tolo tolt tolu tool toor toos toot toro torr tors tort toru toso toss tost tosu toto totr tots tott toul tour tous tout troo tros trot trou trst trtr trus trut truu tsol tsos tsou tssr tsst tsts ttss tttt ttul tull tulo tulu tuor tuos turo turr turs turt turu tuss tust tutl tuto tuts tutt tutu tuuo ullo ullr ulo- ulos ulto ults ultt ulul ulus uor- urls uro- urol uroo urso urss ursu urts urur urus urut uslu usos ussr usss usst ussu usto usts usul usus utor utsl utto uttu uulu uuuu