fff ffi ffo ffr ffs fft fif fii fir fis fit fof foi foo for fos fot frf fri fro frr frs frt fsf fsi fso fsr fss fst ftf fti fto ftr fts ftt i-f iff ifi ifo ifr ifs ift iif iii iio iir iis iit io- iof ioi ioo ior ios iot ir- irf iri iro irr irs irt is- isf isi iso isr iss ist itf iti ito its itt o-i of- off ofi ofo ofr ofs oft oif oii oio oir ois oit oo- oof ooi ooo oor oos oot or- orf ori oro orr ors ort os- osf osi oso osr oss ost ot- otf oti oto otr ots ott rff rfi rfo rfr rfs rft rif rii rio rir ris rit rof roi roo ror ros rot rrf rri rrr rrs rrt rsf rsi rso rsr rss rst rtf rti rto rtr rts rtt sff sfi sfo sfr sfs sft sif sii sio sir sis sit sof soi soo sor sos sot sr- srf sri sro srr srs srt ss- ssf ssi sso ssr sss sst stf sti sto str sts stt tff tfi tfo tfr tfs tft tif tii tio tir tis tit to- tof toi too tor tos tot trf tri tro trr trs trt tsf tsi tso tsr tss tst ttf tti tto ttr tts ttt

ffff ffii ffrr ffss fftf fiff fifi fifo fift fiii fior fios firs fisi fiss fist fiti fits fitt fofo fois foof foos foot for- fori foro forr fors fort fosi foso foss fost foti foto fots fott frio fris frit fros frot frso frst fsfi fsfo fssf ftii ftos ftrs ftsr ifis ifit ifor ifrf ifri ifso ifto iiii iiio iiis iiit iioi iioo iios iirs iisi iisr iist iitr iitt ioii ioio ioit ioof iooi iooo ioos iori iors ioso iotf ioto iri- irio iris irri irrs irsf irtf irti irts isis isit iso- isof isor isos isri issf issi isso issr isss isti isto istr ists itif itis itof itoi itoo itor itos itrf itri itrs itsf itsi itso ittf itto off- offo offr offs ofit ofor ofst oiii oios oirt oist oiti ooff oofs oooo ooos oort oosi oost oots orff orfi orfs ori- orif orio oris orit oro- orof oror oros orot orri orro orrs orsi orso orto orts osii osis osoi osoo osor osos osro ossi osso osti ostr osts otif otis otit oto- otof otoo otor otos otro otrs otso otti otto otts riff rifs rift riif riis rios riot riri rirs risi riso riss rist riti rito rits ritt roff rofo roif roio roir rois roit roof rooi roor roos root rori roro rort rosi roso ross rost roti roto rotr rots rott rrif rrrr rsis rsos rsts rtss rtts s-ii s-os sfio sfor sfos sfro sfss sfts siff sifo sifr sift siit sior sios siot sirf siri siro sirr sirs sirt sisi siss sist sit- siti sito sits sitt sofi sofo soft soif soir sois soit soof soor soos soot sori soro sorr sors sort sosi soso soss sost soto sots srfi sris sros srtr ssis ssit ssot ssri ssrs sssf sssi ssss ssts stif stio stir stis stit stof stoo stor stos stot stri stro strs stsf stsi stss sttr tfot tfrs tfsi tfss tiff tifo tift tiit tios tiri tiro tirr tirs tisi tiso tiss tist titi tito tits titt toff tofi tofo toft tois toit toof toor toos toot torf tori toro torr tors tort tosi toso toss tost toti toto totr tots tott trfr tri- trif trio tris trit troi troo tros trot trsi trst trtr tsis tsoi tsos tssf tssi tssr tsst tsts ttff ttss tttt

-itis fiori firit firos first fissi fisto fists fitit fitof fitor fitri fitto fitts fofos foios foir- foist footi foots forio forit foros forro forso forss forst forti forto forts fotos friis frios friso friss frist frito frits fritt froit froot frost frots ftrtt if-- ifits ifrit ifttt iiiii iiris iisir iitti ioooi ioooo iorio iotit iotti irios iris- iriss irori irrit irssi is-is isfit isfor isios isiro isisi isiti isits isitt isoff isoft issor istoo itfit itfor itisi itiso itoff itoss itsit itsof itsso itsto ittoo ittti offir offis offit offof offto ofori ofoto ofsit oirot oitti ooioo ooooo orfor orist orito orits orosi oroso orost orris orsis orsit ortoo ososo ossi- ossis ossos ostir ostis ostri ostro otori otoso ototo otros ottir ottis ottoi ottos ri-fi riffs rifts riots risso risti risto ritts ro-ro rofor roiot roist roofs rooft roosi roost roots rorts rosis rossi rosso rosss rosto rosts rotis roto- rotor rotos rotot rotti rotto rsssf s-iii s-o-r siftr sifts siirt sirio siris siror siros sirsi sisis sisor sissi sisto sists sitio sitit sito- sitor sitsi sitti so-so sofis softs soirs soori soort soosi soots sorio soror soros sorso sorti sorts soss- sossi sosti sosto sotio sotoo sotos sotto sotts sroof sroot sssss stfis stiff stift stiif stiir stiro stirs stirt stitt stoff stoir stoit stoor stoos stoot storo storr stors stort stoss stots stott strif strit strof stros strot strrs ti-ti tiffs tifts tiris tirit tiro- tiroi tiros tirrs tirso tisis tisof tisor tisri tiss- tissi tisso titii titis titof titos titti toffo toffs tofit tofor tofts toist toits toost toots torii torio toris torit toros torri torro torrs torsi torso torst torti torto torts tosir tosit tosos toss- tosti tosto toti- toto- totoo totos trior trios tris- triss trist trit- trito trits tritt troff troft trois tross trost trots trott tsito tsoro tsort ttttt

firsts fissi- fitfor fitoor fittit foists foofoo footit forois forrit forros forrot forsit fortis fosso fossor frifot frisii fritos fritto fritts frooti froots frosi frosio frosts ifitis ifrits ifross iiooio iris-t iritis iroist isists isitso istros itfits itisso itisto itsoff ittiri ittro- offiss offrir ofsort oftfor oofotr oooooo orisit orissi orrios orsiso osiris osorio ossott otitis otosis ototoi ottoii ottoor rififi rititi ritto rofors roists roosts rootof rootsi rosist rossif rosti rostr- rotors siiiii siriri