-ic c-- ccc cce ccf cci ccn cco ccs ccx ce- cec cee cef cei cen ceo ces cex cfc cfe cff cfi cfn cfo cfs cfx ci- cic cie cif cii cin cio cis cix cn- cnc cne cnf cni cnn cno cns cnx co- coc coe cof coi con coo cos cox csc cse csf csi csn cso css csx cxc cxf cxi cxo cxs cxx ec- ecc ece ecf eci ecn eco ecs ecx eec eee eef een eeo ees eex ef- efc efe eff efi efo efs efx eic eie eif eii ein eio eis eix en- enc ene enf eni enn eno ens eo- eoc eoe eof eoi eon eoo eos es- esc ese esf esi esn eso ess esx ex- exc exe exi exo exs exx fcc fce fcf fci fcn fco fcs fcx fec fee fef fei fen feo fes fex ffc ffe fff ffi ffn ffo ffs ffx fic fie fif fii fin fis fix fnc fne fnf fni fnn fns fnx foc foe fof foi fon foo fos fox fsc fse fsf fsi fsn fso fss fsx fxe fxi fxs fxx i-f icc ice icf ici icn ico ics ie- iec iee ief iei ien ies iex ifc ife iff ifi ifn ifo ifs ifx iic iie iif iii iin iio iis iix in- inc ine inf ini inn ino ins inx io- ioc ioe iof ioi ion ioo ios is- isc ise isf isi isn iso iss ixc ixe ixi ixn n-i ncc nce ncf nci ncn nco ncs ncx ne- nec nee nef nei nen neo nes nex nfc nfe nff nfi nfn nfo nfs nic nie nif nii nin nio nis nix nnc nne nnf nni nnn nno nns no- noc noe nof noi non noo nos nox nsc nse nsf nsi nsn nso nss nsx nxc o-i oc- occ ocf oci ocn oco ocs ocx oec oee oef oei oen oeo oes oex of- ofc ofe off ofi ofn ofo ofs ofx oic oie oif oii oin oio ois on- onc one onf oni onn ono ons onx oo- ooc oof ooi oon ooo oos oox os- osc ose osf osi osn oso oss osx ox- oxc oxf oxi oxn oxo oxx scc sce scf sci scn sco scs scx se- sec see sef sei sen seo ses sex sfc sfe sff sfi sfn sfo sfs sfx sic sie sif sii sin sio sis six snc sne snf sni snn sno sns soc soe sof soi son soo sos sox ss- ssc sse ssf ssi ssn sso sss ssx sxc sxi sxn sxs xcf xci xcx xee xen xes xex xfe xfn xfs xfx xic xie xii xin xio xis xix xnc xno xns xoc xof xoi xon xoo xos xox xsc xsi xss xxi xxo xxx