llll llps lppl lpss lspl lssp lsts ltps ltsp lull lulu lupu luss lust luts luup plpp plss pltt plup plus pppp ppps ppss ppts pptt pspp psps psst psts pstu pull pulp puls pult pulu pupl pups pupu puss pust put- puts putt putu sllp slpp slps slst slsu slts slup slut splp spls spps spsp spss spst spts spus sput sslp sslt sspl ssps sspt ssss sstl sstp ssts stlt stpp stps stss stul stup stus stut sul- sull sulp sult sulu sup- supp sups supt sus- susp suss sust susu sutu suus tpls tppp tptp tput tsps tspt tsst tsts tsup ttss tttt ttul tull tulp tulu tups tupu tuss tust tutl tuts tutt tutu ults ultt ulul ulus uppp uppu uptl upup uslp uslu uspp usps usss usst ussu ustp usts usul usus utsl uttu uulu uuuu