-ol fff ffi ffl ffn ffo ffr ffs fif fii fil fin fir fis flf fli fll fln flo flr fls fnf fni fnl fnn fnr fns fof foi fol fon foo for fos frf fri frl frn fro frr frs fsf fsi fsl fsn fso fsr fss i-f iff ifi ifl ifn ifo ifr ifs iif iii iil iin iio iir iis il- ilf ili ill iln ilo ilr ils in- inf ini inl inn ino inr ins io- iof ioi iol ion ioo ior ios ir- irf iri irl irn iro irr irs is- isf isi isl isn iso isr iss lff lfi lfl lfn lfo lfr lfs lif lii lil lin lio lir lis llf lli lll lln llo llr lls lni lnl lnn lno lnr lns lof loi lol lon loo lor los lrf lri lrn lro lrr lrs lsf lsi lsl lsn lso lsr lss n-i nff nfi nfl nfn nfo nfr nfs nif nii nil nin nio nir nis nlf nli nll nln nlo nlr nls nnf nni nnl nnn nno nns no- nof noi nol non noo nor nos nrf nri nrl nrn nro nrr nrs nsf nsi nsl nsn nso nsr nss o-i of- off ofi ofl ofn ofo ofr ofs oif oii oil oin oio oir ois olf oli oll oln olo ols on- onf oni onl onn ono onr ons oo- oof ooi ool oon ooo oor oos or- orf ori orl orn oro orr ors os- osf osi osl osn oso osr oss rff rfi rfl rfn rfo rfr rfs rif rii ril rin rio rir ris rlf rli rll rln rlo rlr rls rni rnn rno rnr rns rof roi rol ron roo ror ros rrf rri rrl rrn rrr rrs rsf rsi rsl rsn rso rsr rss sff sfi sfl sfn sfo sfr sfs sif sii sil sin sio sir sis slf sli sll sln slo slr sls snf sni snl snn sno snr sns sof soi sol son soo sor sos sr- srf sri srl srn sro srr srs ss- ssf ssi ssl ssn sso ssr sss