-ous llll lloo llps loll lolo lols lool loop loos loot lopp lops lopu loso losp loss lost lotl loto lots lott loul loup lous lout louu lppl lpss lspl lsso lssp lsts ltps ltsp lull lulu lupo lupu luso luss lust luts luup ollo olos olot olst oltu oolo oooo ooos oops oost ootp oots oous opls opo- opos oppo opps opsu opto opts opus oslo osoo osos osso ossu osts osul oto- otoo otos otpp otso otsu otto otts ottu otus ouls oulu oust out- outo outs ouu- ploo plop plos plot plou plpp plss pltt plup plus poll polo pols polt polu pool poop poos poot pop- popo popp pops popt poso poss post poto pots pott potu poul poup pous pout pplo ppos pppo pppp ppps ppss ppts pptt psol psos psou pspp psps psso psst psts pstu ptol ptop pull pulo pulp puls pult pulu pupl pups pupu puss pust put- puto puts putt putu s-os sllp sloo slop slos slot slpp slps slst slsu slts slup slut soll solo solp sols solt sool soop soos soot sopo sopp sops sopu soso soss sost sotl soto sotp sots sotu soul soup sous sout splo splp spls spoo spop spos spot spps spso spsp spss spst spto spts spus sput sslp sslt ssop ssot sspl sspo ssps sspt ssss sstl sstp ssts stlo stlt stol stoo stop stos stot stou stpp stps stss stul stup stus stut sul- sull sulo sulp sult sulu suos sup- supo supp sups supt sus- suso susp suss sust susu suto sutu suus tlos tol- toll tolo tolt tolu tool toos toot top- topo topp tops topt topu toso toss tost tosu toto tots tott toul toup tous tout tpls tpol tppp tptp tput tsol tsop tsos tsou tspo tsps tspt tsst tsts tsup ttop ttss tttt ttul tull tulo tulp tulu tuos tupo tups tupu tuss tust tutl tuto tuts tutt tutu tuuo ullo ulo- ulos ulto ults ultt ulul ulus uplo upos uppp uppu uptl upto upup uslp uslu usos uspo uspp usps usss usst ussu usto ustp usts usul usus utsl utto uttu uulu uuuu