fff ffi ffn ffo ffr ffs fft ffx fif fii fin fir fis fit fix fnf fni fnn fnr fns fnt fnx fof foi fon foo for fos fot fox frf fri frn fro frr frs frt fsf fsi fsn fso fsr fss fst fsx ftf fti ftn fto ftr fts ftt ftx fxi fxr fxs fxt fxx i-f iff ifi ifn ifo ifr ifs ift ifx iif iii iin iio iir iis iit iix in- inf ini inn ino inr ins int inx io- iof ioi ion ioo ior ios iot ir- irf iri irn iro irr irs irt irx is- isf isi isn iso isr iss ist itf iti itn ito its itt itx ixi ixn n-i nff nfi nfn nfo nfr nfs nft nif nii nin nio nir nis nit nix nnf nni nnn nno nns nnt no- nof noi non noo nor nos not nox nrf nri nrn nro nrr nrs nrt nrx nsf nsi nsn nso nsr nss nst nsx ntf nti ntn nto ntr nts ntt ntx nxt o-i of- off ofi ofn ofo ofr ofs oft ofx oif oii oin oio oir ois oit on- onf oni onn ono onr ons ont onx oo- oof ooi oon ooo oor oos oot oox or- orf ori orn oro orr ors ort orx os- osf osi osn oso osr oss ost osx ot- otf oti otn oto otr ots ott ox- oxf oxi oxn oxo oxt oxx rff rfi rfn rfo rfr rfs rft rif rii rin rio rir ris rit rix rni rnn rno rnr rns rnt rof roi ron roo ror ros rot rox rrf rri rrn rrr rrs rrt rsf rsi rsn rso rsr rss rst rsx rtf rti rtn rto rtr rts rtt rtx rxr rxs sff sfi sfn sfo sfr sfs sft sfx sif sii sin sio sir sis sit six snf sni snn sno snr sns snt sof soi son soo sor sos sot sox sr- srf sri srn sro srr srs srt srx ss- ssf ssi ssn sso ssr sss sst ssx stf sti stn sto str sts stt stx sxi sxn sxs sxt t-x tff tfi tfn tfo tfr tfs tft tfx tif tii tin tio tir tis tit tix tnf tni tnn tno tnr tns tnt tnx to- tof toi ton too tor tos tot tox trf tri trn tro trr trs trt trx tsf tsi tsn tso tsr tss tst tsx ttf tti ttn tto ttr tts ttt ttx txf txi txn txs txt xfn xfs xft xfx xii xin xio xis xit xix xno xns xof xoi xon xoo xor xos xot xox xrf xrt xrx xsi xss xst xtf xti xtr xts xtx xxi xxo xxx

ffff ffii ffrr ffss fftf fiff fifi fifo fift fiii fini finn fino fins fint fion fior fios firn firs fisi fiss fist fiti fits fitt fixt fixx fnrs fofo foin fois foix fono fons font foof foon foos foot for- fori forn foro forr fors fort fosi foso foss fost foti foto fots fott foxx frin frio fris frit frns fron fros frot frso frst fsfi fsfo fsix fssf ftii ftos ftrs ftsr i-no ifis ifit ifni ifno ifnr ifns ifor ifrf ifri ifso iftn ifto iiii iiio iiis iiit iino iioi iioo iios iirs iisi iisr iist iitr iitt infi info infs inis init inni inno innr inns ino- inoi inon inor inos inot inox inri inro inrs inso inss inst inti intn into intr ints inxs ioii ioio ioit ioni ionn iono ions ioof iooi iooo ioos iori iors ioso iotf ioto iri- irin irio iris irix iron irri irrs irsf irtf irti irts isin isis isit isno isnt iso- isof ison isor isos isri issf issi isso issr isss isti isto istr ists itif itin itis itno itof itoi iton itoo itor itos itrf itri itrs itsf itsi itso ittf itto ixos ixxi n-ii nfff nfix nfon nfrs nfsr nfto niff nift niir niit nini nino nins nion nioo nios niro nirs nirt nisi niso niss nist nitf niti nito nitr nits nixi nixt nnit nnnn nnos nnot nnss nntn nofi nofx noif noin noio noir nois noit noix non- noni nonn nono nons nont nonx noo- noon nooo noor noos noot nor- norf nori norn noro norr nors nort nos- noss nost not- noti noto nots nott nron nrts nsfs nsin nsis nsnr nsof nsos nssf nsso nssr nsss nsts ntfs ntis ntof ntsf ntss ntto nttr off- offo offr offs ofit ofno ofor ofst oiii oins oint oion oios oirt oist oiti onir onis onit onix onni onno onon onor onos onso onst ont- onti onto ooff oofs oons oont oooo ooos oort oosi oost oots orff orfi orfs ori- orif orin orio oris orit orix orni orno orns oro- orof oron oror oros orot orri orro orrs orsi orso orto orts osii osin osis osno osnr osoi osoo osor osos osro ossi osso osti ostr osts otif otin otis otit oto- otof oton otoo otor otos otro otrs otso otti otto otts oxi- oxis oxo- oxof oxon oxos oxox oxsi oxxo riff rifs rift riif riin riis rinf rinn rino rion rios riot riri rirs risi riso riss rist riti rito rits ritt rixo rnin rnnt rnot roff rofo roif roin roio roir rois roit roni rono rons ront roof rooi roon roor roos root roox rori roro rort rosi roso ross rost roti rotn roto rotr rots rott roxo rrif rrrr rsis rsnn rsno rsnr rsos rsts rtns rtss rtts s-ii s-os sfio sfnt sfor sfos sfro sfss sfts siff sifo sifr sift siit sini sinn sino sins sint sion sior sios siot siox sirf siri siro sirr sirs sirt sisi siss sist sit- siti sitn sito sits sitt sixo sixt sixx snir snit snns snoo snor snos snot snrs sntr sofi sofo soft soif soin soir sois soit son- soni sono sons sont soof soon soor soos soot sori sorn soro sorr sors sort sosi soso soss sost