iiii iiis iiit iisi iisp iist iisu iitt ilis ilit ill- illi illp ills illt ilts ilus ilut ipil ipsi ipsp ipss ipts ipus iput isil isis isit isls isps issi issp isss issu isti istp ists isup isus itil itis itll itsi itsp itsu itup iuiu iupp iuss iust liii liis lili lill lils lilt lilu lip- lipi lipl lipp lips lipu lisi lisp liss list lisu liti litl lits litt litu lius liut llll llps lppl lpss lspl lssp lsts ltps ltsi ltsp luis luit luli lull lulu lupi lupu lusi luss lust luti luts luup piip pil- pili pill pils pilt pilu pipi pipp pips pisi piss pist pisu piti pits pitt pitu pius plip plis plit plpp plsi plss pltt plup plus ppli pppp ppps ppss ppts pptt psil psip psis pspi pspp psps psst psts pstu ptui puis puit puiu puli pull pulp puls pult pulu pupi pupl pups pupu pusi puss pust put- puti puts putt putu s-ii siit sil- sili sill sils silt silu sipi sipp sips sipt sisi siss sist sisu sit- siti sits sitt situ siui sius siut sl-i slip slit sllp slpi slpp slps slst slsu slts slup slut spip spis spit splp spls spps spsp spss spst spts spui spus sput ssis ssit sslp sslt sspl ssps sspt sssi ssss sstl sstp ssts stil stip stis stit stlt stpp stps stsi stss stul stup stus stut suis suit sul- suli sull sulp sult sulu sup- supp sups supt sus- susi susp suss sust susu suti sutu suus tiit tiiu till tils tilt tip- tipi tipp tips tipt tipu tisi tiss tist titi titp tits titt titu tlli tpls tppp tptp tput tsis tsps tspt tssi tsst tsts tsui tsup ttss tttt ttul tuil tuis tuit tuiu tuli tull tulp tulu tupi tups tupu tusi tuss tust tuti tutl tuts tutt tutu uipi uist uits ulli ulti ults ultt ulul ulus upis uppp uppu upsi uptl upup usip usis uslp uslu uspp usps usss usst ussu usti ustp usts usui usul usus util utis utsl utti uttu uulu uusi uuuu