-ous iiii iiio iiis iiit iioi iioo iiop iios iisi iisp iist iisu iitt ilio ilis ilit ill- illi illo illp ills illt iloo ilos ilot ilts ilus ilut ioii ioio ioit iolo iooi iooo ioos iopl iops ioso iosu ioto ious ipil iplo ipop ipos ippo ipsi ipso ipsp ipss ipto ipts ipus iput isil isis isit isls iso- isol isop isos isps issi isso issp isss issu isti isto istp ists isup isus itil itis itll itoi itol itoo itos itou itsi itso itsp itsu itto itup iuiu iupp iuss iust liii liis lili lill lilo lils lilt lilu lio- lios lip- lipi lipl lipo lipp lips lipu lisi liso lisp liss list lisu liti litl lito lits litt litu lius liut llll lloo llps lois loit loiu loli loll lolo lols lool loop loos loot lopi lopp lops lopu losi loso losp loss lost loti lotl loto lots lott loui loul loup lous lout louu lppl lpss lspl lsso lssp lsts ltps ltsi ltsp luis luit luli lull lulu lupi lupo lupu lusi luso luss lust luti luts luup oiii oils oios oist oisu oiti olio olis olit olli ollo olos olot olsi olst oltu oolo oooo ooos oops oosi oost ootp oots oous opii opio opis opit opls opo- opos oppi oppo opps opsi opsu opti opto opts opus osii osip osis osli oslo osoi osoo osos ossi osso ossu osti osts osul otis otit oto- otoo otos otpp otso otsu otti otto otts ottu otus ouii ouis ouit ouls oulu oust out- outi outo outs ouu- piip pil- pili pill pilo pils pilt pilu piot pipi pipo pipp pips pisi piso piss pist pisu piti pito pits pitt pitu pius plio plip plis plit ploo plop plos plot plou plpp plsi plss pltt plup plus poil poio pois poli poll polo pols polt polu pool poop poos poot pop- popi popo popp pops popt posi poso poss post poti poto pots pott potu poui poul poup pous pout ppli pplo ppos pppo pppp ppps ppss ppts pptt psil psip psis psoi psol psos psou pspi pspp psps psso psst psts pstu ptol ptop ptui puis puit puiu puli pull pulo pulp puls pult pulu pupi pupl pups pupu pusi puss pust put- puti puto puts putt putu s-ii s-os siit sil- sili sill silo sils silt silu siol siop sios siot siou sipi sipo sipp sips sipt sisi siss sist sisu sit- siti sito sits sitt situ siui sius siut sl-i slip slit sllp sloo slop slos slot slpi slpp slps slst slsu slts slup slut soil sois soit soli soll solo solp sols solt sool soop soos soot sopi sopo sopp sops sopu sosi soso soss sost sotl soto sotp sots sotu soul soup sous sout spio spip spis spit splo splp spls spoo spop spos spot spps spso spsp spss spst spto spts spui spus sput ssis ssit sslp sslt ssop ssot sspl sspo ssps sspt sssi ssss sstl sstp ssts stil stio stip stis stit stlo stlt stol stoo stop stos stot stou stpp stps stsi stss stul stup stus stut suio suis suit sul- suli sull sulo sulp sult sulu suos sup- supo supp sups supt sus- susi suso susp suss sust susu suti suto sutu suus tiit tiiu till tilo tils tilt tiop tios tiou tip- tipi tipo tipp tips tipt tipu tisi tiso tiss tist titi tito titp tits titt titu tlli tlos toil tois toit tol- toli toll tolo tolt tolu tool toos toot top- topi topo topp tops topt topu tosi toso toss tost tosu toti toto tots tott toui toul toup tous tout tpls tpol tppp tptp tput tsis tsoi tsol tsop tsos tsou tspo tsps tspt tssi tsst tsts tsui tsup ttop ttss tttt ttul tuil tuis tuit tuiu tuli tull tulo tulp tulu tuos tupi tupo tups tupu tusi tuss tust tuti tutl tuto tuts tutt tutu tuuo uipi uist uits ulli ullo ulo- ulos ulti ulto ults ultt ulul ulus upis uplo upos uppp uppu upsi uptl upto upup usip usis uslp uslu usoi usos uspo uspp usps usss usst ussu usti usto ustp usts usui usul usus util utis utsl utti utto uttu uulu uusi uuuu