fff ffi ffr ffs fft fif fii fir fis fit frf fri frr frs frt fsf fsi fsr fss fst ftf fti ftr fts ftt i-f iff ifi ifr ifs ift iif iii iir iis iit ir- irf iri irr irs irt is- isf isi isr iss ist itf iti its itt rff rfi rfr rfs rft rif rii rir ris rit rrf rri rrr rrs rrt rsf rsi rsr rss rst rtf rti rtr rts rtt sff sfi sfr sfs sft sif sii sir sis sit sr- srf sri srr srs srt ss- ssf ssi ssr sss sst stf sti str sts stt tff tfi tfr tfs tft tif tii tir tis tit trf tri trr trs trt tsf tsi tsr tss tst ttf tti ttr tts ttt

ffff ffii ffrr ffss fftf fiff fifi fift fiii firs fisi fiss fist fiti fits fitt fris frit frst fsfi fssf ftii ftrs ftsr ifis ifit ifrf ifri iiii iiis iiit iirs iisi iisr iist iitr iitt iri- iris irri irrs irsf irtf irti irts isis isit isri issf issi issr isss isti istr ists itif itis itrf itri itrs itsf itsi ittf riff rifs rift riif riis riri rirs risi riss rist riti rits ritt rrif rrrr rsis rsts rtss rtts s-ii sfss sfts siff sifr sift siit sirf siri sirr sirs sirt sisi siss sist sit- siti sits sitt srfi sris srtr ssis ssit ssri ssrs sssf sssi ssss ssts stif stir stis stit stri strs stsf stsi stss sttr tfrs tfsi tfss tiff tift tiit tiri tirr tirs tisi tiss tist titi tits titt trfr tri- trif tris trit trsi trst trtr tsis tssf tssi tssr tsst tsts ttff ttss tttt

-itis firit first fissi fists fitit fitri fitts friis friss frist frits fritt ftrtt if-- ifits ifrit ifttt iiiii iiris iisir iitti iris- iriss irrit irssi is-is isfit isisi isiti isits isitt itfit itisi itsit ittti ri-fi riffs rifts risti ritts rsssf s-iii sifts siirt siris sirsi sisis sissi sists sitit sitsi sitti sssss stfis stiff stift stiif stiir stirs stirt stitt strif strit strrs ti-ti tiffs tifts tiris tirit tirrs tisis tisri tiss- tissi titii titis titti tris- triss trist trit- trits tritt ttttt

firsts fissi- fittit frisii fritts ifitis ifrits iris-t iritis isists itfits ittiri rififi rititi siiiii siriri sirris sirsir sirtir sirtis sirtsi sisisi sistri sssfrs stiffs stirit striff strift striif tiff-f tirrit titiri trists

fit-fit riitiir sitifis sssssss tristis

i-ii-iii

first-fit issisisis

sitsiritsit

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