-ous ffff ffii ffps ffss fftf fiff fifi fifo fift fiii fiil fili fill filo fils fios fipp fips fisi fiss fist fisu fiti fits fitt flii flip flis flit floo flop flos flot flou flts fluf fluo flus fofo foil fois foli foll folo fols folt foof fool foos foot fopp fops fosi foso foss fost foti foto fotp fots fott foul foup fous fout fsfi fsfo fspf fssf fssp ft-l ftii ftop ftos ftps fuff fufu fuil fuit fuli full fuls fulu fusi fuso fuss fust fusu futi futo futs futu ifil ifis ifit ifpo ifps ifso ifsp ifto iiii iiio iiis iiit iioi iioo iiop iios iipf iisi iisp iist iisu iitt ilio ilis ilit ill- illi illo illp ills illt iloo ilos ilot ilts ilus ilut ioii ioio ioit iolo ioof iooi iooo ioos iopl iops ioso iosu iotf ioto ious ipil iplo ipop ipos ippf ippo ipsi ipso ipsp ipss ipto ipts ipus iput isfp isil isis isit isls iso- isof isol isop isos ispf isps issf issi isso issp isss issu isti isto istp ists isup isus itif itil itis itll itof itoi itol itoo itos itou itsf itsi itso itsp itsu ittf itto itup iuiu iupp iuss iust lftp lfts liff lifl lifo lift 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 liuf lius liut llll lloo llps loff lofi loft loif lois loit loiu loli loll lolo lols loof lool loop loos loot lopi lopp lops lopu losi loso losp loss lost loti lotl loto lots lott loui loul loup lous lout louu lpfp lpft lppl lpss lsof lspl lsso lssp lsts ltps ltsi ltsp luff luft lufu luif luis luit luli lull lulu lupi lupo lupu lusi luso luss lust luti luts luup off- offo offs offu ofit ofst oftp ofus oiii oils oios oist oisu oiti olfs olio olis olit olli ollo olof olos olot olsi olst oltu ooff oofs 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 otfp otif otis otit oto- otof otoo otos otpp otso otsu otti otto otts ottu otus ouff ouii ouis ouit ouls oulu oust out- outi outo outs ouu- pfff pfft pfis pfit pfli pfps pfui piff pifs piip pil- pili pill pilo pils pilt pilu piot pipi pipo pipp pips pisi piso piss pist pisu pitf piti pito pits pitt pitu pius plff plif plio plip plis plit ploo plop plos plot plou plpp plsi plss pltf pltt plup plus poff pofi poil poio pois poli poll polo pols polt polu poof pool poop poos poot pop- popi popo popp pops popt posi poso poss post potf poti poto pots pott potu pouf poui poul poup pous pout ppif ppli pplo ppos pppo pppp ppps ppsf ppss ppts pptt psfs psil psip psis psoi psol psos psou pspi pspp psps psso psst psts pstu ptol ptop ptui puff puft 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 sfio sfls sfos sfss sfsu sftp sfts siff sifl sifo sift sifu siit sil- silf 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 slft slip slit sllp sloo slop slos slot slpi slpp slps slst slsu slts slup slut sofi sofo soft soif soil sois soit solf soli soll solo solp sols solt soof sool soop soos soot sopi sopo sopp sops sopu sosi soso soss sost sotl soto sotp sots sotu souf soul soup sous sout spfs spio spip spis spit splo splp spls spoo spop spos spot sppf spps spso spsp spss spst spto spts spui spus sput ssfl ssfp ssis ssit sslp sslt ssop ssot sspf sspl sspo ssps sspt sssf sssi ssss sstl sstp ssts stfu stif stil stio stip stis stit stlo stlt stof stol stoo stop stos stot stou stpf stpp stps stsf stsi stss stuf stul stup stus stut suf- suff sufi sufs sufu suio suis suit sul- sulf suli sull sulo sulp sult sulu suos sup- supo supp sups supt sus- susi suso susp suss sust susu suti suto sutu suus tfot tfpt tfsi tfss tftp tiff tifo tift 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 toff tofi tofo toft tofu toil tois toit tol- toli toll tolo tolt tolu toof tool toos toot top- topf 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 tsfl tsis tsoi tsol tsop tsos tsou tspo tsps tspt tssf tssi tsst tsts tsui tsup ttff ttop ttss tttt ttul tuff tufi tufo tuft tufu tuil tuis tuit tuiu tuli tull tulo tulp tulu tuos tupi tupo tups tupu tusi tuss tust tuti tutl tuto tuts tutt tutu tuuo ufip ufos uftp uipi uist uits ulft ulli ullo ulo- ulos ulti ulto ults ultt ulul ulus uofl uofo upis uplo upos uppp uppu upsi uptl upto upup usfi usfl usfs usif usip usis uslp uslu usoi usos uspo uspp usps ussf usss usst ussu usti usto ustp usts usui usul usus utfo util utis utsl utti utto uttu uulu uusi uutf uuuu