-ic -ol c-- ccc ccf cci ccl ccn cco ccs cfc cff cfi cfl cfn cfo cfs ci- cic cif cii cil cin cio cis cl- clc clf cli cll cln clo cls cn- cnc cnf cni cnl cnn cno cns co- coc cof coi col con coo cos csc csf csi csl csn cso css fcc fcf fci fcl fcn fco fcs ffc fff ffi ffl ffn ffo ffs fic fif fii fil fin fis flc flf fli fll fln flo fls fnc fnf fni fnl fnn fns foc fof foi fol fon foo fos fsc fsf fsi fsl fsn fso fss i-f icc icf ici icl icn ico ics ifc iff ifi ifl ifn ifo ifs iic iif iii iil iin iio iis il- ilc ilf ili ill iln ilo ils in- inc inf ini inl inn ino ins io- ioc iof ioi iol ion ioo ios is- isc isf isi isl isn iso iss lcc lcf lci lcl lcn lco lcs lfc lff lfi lfl lfn lfo lfs lic lif lii lil lin lio lis llc llf lli lll lln llo lls lnc lni lnl lnn lno lns loc lof loi lol lon loo los lsc lsf lsi lsl lsn lso lss n-i ncc ncf nci ncl ncn nco ncs nfc nff nfi nfl nfn nfo nfs nic nif nii nil nin nio nis nlc nlf nli nll nln nlo nls nnc nnf nni nnl nnn nno nns no- noc nof noi nol non noo nos nsc nsf nsi nsl nsn nso nss o-i oc- occ ocf oci ocl ocn oco ocs of- ofc off ofi ofl ofn ofo ofs oic oif oii oil oin oio ois olc olf oli oll oln olo ols on- onc onf oni onl onn ono ons oo- ooc oof ooi ool oon ooo oos os- osc osf osi osl osn oso oss scc scf sci scl scn sco scs sfc sff sfi sfl sfn sfo sfs sic sif sii sil sin sio sis slc slf sli sll sln slo sls snc snf sni snl snn sno sns soc sof soi sol son soo sos ss- ssc ssf ssi ssl ssn sso sss