ffff ffii ffrr ffss fftf fiff fifi fift fiii fiil fili fill filn fils fini finn fins fint firn firs fisi fiss fist fiti fits fitt flii flin flis flit flts fnrs fril frin fris frit frns frst fsfi fsln fssf ft-l ftii ftrs ftsr ifil ifis ifit ifni ifnr ifns ifrf ifri iftn iiii iiis iiit iirs iisi iisr iist iitr iitt ilin ilir ilis ilit ill- illi ills illt ilni ilts infi infl infs inis init inni innr inns inri inrs inss inst inti intl intn intr ints iri- iril irin iris irri irrs irsf irtf irti irts isil isin isis isit isls isnt isri issf issi issr isss isti istr ists itif itil itin itis itll itrf itri itrs itsf itsi ittf lfts liff lifl lift liii liin liir liis lili lill lils lilt linn lins lint liri lirl lirn lirr lirs lirt lisi liss list liti litl litr lits litt llll lnfs lnts lrif lrrr lrst lrts ls-r lssr lsts ltns ltnt ltrs ltsi ltsr lttr n-ii nfff nfrs nfsr niff nift niir niit nili nill nils nilt nini ninl nins nirs nirt nisi nisl niss nist nitf niti nitr nits nlls nnit nnls nnnn nnsl nnss nntn nrrl nrtl nrts nsfs nsin nsis nslr nsls nsnr nsrl nssf nssr nsss nstl nsts ntfl ntfs ntis ntrl ntsf ntss nttr rffl riff rifs rift riif riin riis rill rinf rinn riri rirs risi riss rist riti ritl rits ritt rlif rlin rlls rnin rnli rnnt rrif rrrr rsis rsnn rsnr rssl rsts rtls rtlt rtns rtss rtts s-ii sfls sfnt sfss sfts siff sifl sifr sift siit sil- silf sili sill sils silt sini sinn sins sint sirf siri sirr sirs sirt sisi siss sist sit- siti sitn sits sitt sl-i slft slir slit slln slrn slrs slst slts snir snit snlf snns snrs sntr srfi sris srni srnn srtr ssfl ssin ssis ssit sslt ssns ssri ssrl ssrs sssf sssi ssss sstl ssts stfn stif stil stir stis stit stln stlt stnn stnr stns stri strn strs stsf stsi stss sttr tfin tfrs tfsi tfss tiff tift tiit till tiln tilr tils tilt tini tinn tins tint tiri tirl tirr tirs tisi tiss tist titi tits titt tlli tlrs tnfl tnts trfr tri- trif tril trin tris trit trsi trst trtr tsfl tsin tsis tssf tssi tssr tsst tsts ttff ttfn ttss tttt