-ing ffff ffii ffrr ffss fftf fgts fiff fifi fift figg figs fiii fing fini finn fins fint firn firs fisi fiss fist fiti fits fitt fnrs frig frin fris frit frns frst fsfi fsgs fssf ftii ftrs ftsr ggfg gggg ggrn ggss giff gifs gift gigg gigi gign gigs giis ging gini ginn gins girg giri girn girr girs girt giss gist gits gnin gnit gnrr gnti grif grig grin gris grit grni grrr grrs grss gsif gsis gstr ifis ifit ifni ifnr ifns ifrf ifri iftn iggs igis igni igns igri iiii iiis iiit iirs iisi iisr iist iitr iitt infi infs ings inig inis init inni innr inns inri inrs inss inst intg inti intn intr ints irgs iri- irig irin iris irri irrs irsf irsg irtf irti irts isin isis isit isnt isrg isri issf issi issr isss isti istr ists itgs itif itin itis itrf itri itrs itsf itsi ittf n-ii nfff nfrs nfsr ngfs ngns ngri ngsn ngtn ngts niff nift nigg nigs nigt niir niit ning nini nins nirs nirt nisi niss nist nitf niti nitr nits nngn nnit nnnn nnss nntn nrts nsfs nsin nsis nsnr nssf nssr nsss nsts ntfs ntis ntsf ntss nttr rfgs rgit rgtr rgts riff rifs rift rigg rigi rigs riif riin riis rinf ring rinn riri rirs risi riss rist riti rits ritt rngs rnin rnnt rrif rrrr rsis rsnn rsnr rsts rtgs rtns rtss rtts s-ii sfnt sfss sfts sggg sggs sgss sgts siff sifr sift sigg sigi sign sigs siit sing sini sinn sins sint sirf siri sirr sirs sirt sisi siss sist sit- siti sitn sits sitt snig snir snit snns snrs sntr srfi sris srni srnn srtr ssgs ssgt ssin ssis ssit ssns ssrg ssri ssrs sssf sssi ssss ssts stfn stgr stif stig stir stis stit stng stnn stnr stns stri strn strs stsf stsi stss sttr tfin tfrs tfsi tfss tgif tgts tiff tift tigi tigr tigs tiit ting tini tinn tins tint tiri tirr tirs tisi tiss tist titi tits titt tngs tnts trfr tri- trif trig trin tris trit trng trsi trst trtr tsgt tsig tsin tsis tssf tssg tssi tssr tsst tsts ttff ttfn ttss tttt