-ic -ol c-- ccc ccf cci ccl cco ccs cfc cff cfi cfl cfo cfs ci- cic cif cii cil cio cis cl- clc clf cli cll clo cls co- coc cof coi col coo cos csc csf csi csl cso css fcc fcf fci fcl fco fcs ffc fff ffi ffl ffo ffs fic fif fii fil fis flc flf fli fll flo fls foc fof foi fol foo fos fsc fsf fsi fsl fso fss i-f icc icf ici icl ico ics ifc iff ifi ifl ifo ifs iic iif iii iil iio iis il- ilc ilf ili ill ilo ils io- ioc iof ioi iol ioo ios is- isc isf isi isl iso iss lcc lcf lci lcl lco lcs lfc lff lfi lfl lfo lfs lic lif lii lil lio lis llc llf lli lll llo lls loc lof loi lol loo los lsc lsf lsi lsl lso lss o-i oc- occ ocf oci ocl oco ocs of- ofc off ofi ofl ofo ofs oic oif oii oil oio ois olc olf oli oll olo ols oo- ooc oof ooi ool ooo oos os- osc osf osi osl oso oss scc scf sci scl sco scs sfc sff sfi sfl sfo sfs sic sif sii sil sio sis slc slf sli sll slo sls soc sof soi sol soo sos ss- ssc ssf ssi ssl sso sss