fff ffg ffi ffn ffo ffp ffs fgf fgg fgi fgn fgp fgs fif fig fii fin fip fis fnf fng fni fnn fnp fns fof fog foi fon foo fop fos fpg fpi fpn fpo fpp fps fsf fsg fsi fsn fso fsp fss g-p gff gfi gfo gfp gfs ggg ggi ggn ggo ggp ggs gif gig gii gin gio gip gis gnf gni gnn gno gnp gns gof gog goi gon goo gop gos gpf gpg gpi gpn gpo gpp gps gsf gsg gsi gsn gso gsp gss i-f iff ifg ifi ifn ifo ifp ifs igf igg igi ign igo igp igs iif iii iin iio iip iis in- inf ing ini inn ino inp ins io- iof iog ioi ion ioo iop ios ipf ipg ipi ipn ipo ipp ips is- isf isg isi isn iso isp iss n-i nff nfi nfn nfo nfp nfs ngf ngg ngi ngn ngo ngp ngs nif nig nii nin nio nip nis nnf nng nni nnn nno nnp nns no- nof nog noi non noo nop nos npf npg npi npn npo npp nps nsf nsg nsi nsn nso nsp nss o-i of- off ofg ofi ofn ofo ofp ofs ogf ogg ogi ogn ogo ogp ogs oif oii oin oio oip ois on- onf ong oni onn ono onp ons oo- oof oog ooi oon ooo oop oos op- opf opg opi opn opo opp ops os- osf osg osi osn oso osp oss p-p pff pfg pfi pfn pfo pfp pfs pgf pgg pgi pgn pgo pgp pgs pif pig pii pin pio pip pis pn- pnf png pni pnn pno pnp pns pof pog poi pon poo pop pos ppf ppg ppi ppn ppo ppp pps ps- psf psg psi psn pso psp pss sff sfg sfi sfn sfo sfp sfs sgf sgg sgi sgn sgo sgp sgs sif sig sii sin sio sip sis snf sng sni snn sno snp sns sof sog soi son soo sop sos spf spg spi spn spo spp sps ss- ssf ssg ssi ssn sso ssp sss