-ol fff ffi ffl ffn ffo ffp ffs fif fii fil fin fip fis flf fli fll fln flo flp fls fnf fni fnl fnn fnp fns fof foi fol fon foo fop fos fpi fpl fpn fpo fpp fps fsf fsi fsl fsn fso fsp fss i-f iff ifi ifl ifn ifo ifp ifs iif iii iil iin iio iip iis il- ilf ili ill iln ilo ilp ils in- inf ini inl inn ino inp ins io- iof ioi iol ion ioo iop ios ipf ipi ipl ipn ipo ipp ips is- isf isi isl isn iso isp iss l-p lff lfi lfl lfn lfo lfp lfs lif lii lil lin lio lip lis llf lli lll lln llo llp lls lni lnl lnn lno lnp lns lof loi lol lon loo lop los lpf lpi lpl lpn lpo lpp lps lsf lsi lsl lsn lso lsp lss n-i nff nfi nfl nfn nfo nfp nfs nif nii nil nin nio nip nis nlf nli nll nln nlo nlp nls nnf nni nnl nnn nno nnp nns no- nof noi nol non noo nop nos npf npi npl npn npo npp nps nsf nsi nsl nsn nso nsp nss o-i of- off ofi ofl ofn ofo ofp ofs oif oii oil oin oio oip ois olf oli oll oln olo olp ols on- onf oni onl onn ono onp ons oo- oof ooi ool oon ooo oop oos op- opf opi opl opn opo opp ops os- osf osi osl osn oso osp oss p-p pff pfi pfl pfn pfo pfp pfs pif pii pil pin pio pip pis plf pli pll pln plo plp pls pn- pnf pni pnl pnn pno pnp pns pof poi pol pon poo pop pos ppf ppi ppl ppn ppo ppp pps ps- psf psi psl psn pso psp pss sff sfi sfl sfn sfo sfp sfs sif sii sil sin sio sip sis slf sli sll sln slo slp sls snf sni snl snn sno snp sns sof soi sol son soo sop sos spf spi spl spn spo spp sps ss- ssf ssi ssl ssn sso ssp sss