ffff ffii ffps ffss fftf fiff fifi fift fiii fiil fili fill fils fipp fips fisi fiss fist fisu fiti fits fitt flii flip flis flit flts fluf flus fsfi fspf fssf fssp ft-l ftii ftps fuff fufu fuil fuit fuli full fuls fulu fusi fuss fust fusu futi futs futu ifil ifis ifit ifps ifsp iiii iiis iiit iipf iisi iisp iist iisu iitt ilis ilit ill- illi illp ills illt ilts ilus ilut ipil ippf ipsi ipsp ipss ipts ipus iput isfp isil isis isit isls ispf isps issf issi issp isss issu isti istp ists isup isus itif itil itis itll itsf itsi itsp itsu ittf itup iuiu iupp iuss iust lftp lfts liff lifl lift liii liis lili lill lils lilt lilu lip- lipi lipl lipp lips lipu lisi lisp liss list lisu liti litl lits litt litu liuf lius liut llll llps lpfp lpft lppl lpss lspl lssp lsts ltps ltsi ltsp luff luft lufu luif luis luit luli lull lulu lupi lupu lusi luss lust luti luts luup pfff pfft pfis pfit pfli pfps pfui piff pifs piip pil- pili pill pils pilt pilu pipi pipp pips pisi piss pist pisu pitf piti pits pitt pitu pius plff plif plip plis plit plpp plsi plss pltf pltt plup plus ppif ppli pppp ppps ppsf ppss ppts pptt psfs psil psip psis pspi pspp psps psst psts pstu ptui puff puft puis puit puiu puli pull pulp puls pult pulu pupi pupl pups pupu pusi puss pust put- puti puts putt putu s-ii sfls sfss sfsu sftp sfts siff sifl sift sifu siit sil- silf sili sill sils silt silu sipi sipp sips sipt sisi siss sist sisu sit- siti sits sitt situ siui sius siut sl-i slft slip slit sllp slpi slpp slps slst slsu slts slup slut spfs spip spis spit splp spls sppf spps spsp spss spst spts spui spus sput ssfl ssfp ssis ssit sslp sslt sspf sspl ssps sspt sssf sssi ssss sstl sstp ssts stfu stif stil stip stis stit stlt stpf stpp stps stsf stsi stss stuf stul stup stus stut suf- suff sufi sufs sufu suis suit sul- sulf suli sull sulp sult sulu sup- supp sups supt sus- susi susp suss sust susu suti sutu suus tfpt tfsi tfss tftp tiff tift tiit tiiu till tils tilt tip- tipi tipp tips tipt tipu tisi tiss tist titi titp tits titt titu tlli tpls tppp tptp tput tsfl tsis tsps tspt tssf tssi tsst tsts tsui tsup ttff ttss tttt ttul tuff tufi tuft tufu tuil tuis tuit tuiu tuli tull tulp tulu tupi tups tupu tusi tuss tust tuti tutl tuts tutt tutu ufip uftp uipi uist uits ulft ulli ulti ults ultt ulul ulus upis uppp uppu upsi uptl upup usfi usfl usfs usif usip usis uslp uslu uspp usps ussf usss usst ussu usti ustp usts usui usul usus util utis utsl utti uttu uulu uusi uutf uuuu