-ic -ol c-- ccc ccd ccf cci ccl cco ccs cdc cdd cdf cdi cdl cdo cds cfc cfd cff cfi cfl cfo cfs ci- cic cid cif cii cil cio cis cl- clc cld clf cli cll clo cls co- coc cod cof coi col coo cos csc csd csf csi csl cso css dcc dcd dcf dci dcl dco dcs ddc ddd ddf ddi ddl ddo dds dfc dfd dff dfi dfl dfo dfs di- dic did dif dii dil dio dis dl- dlc dld dlf dli dll dlo dls doc dod dof doi dol doo dos dsc dsd dsf dsi dsl dso dss fcc fcd fcf fci fcl fco fcs fdc fdd fdf fdi fdl fdo fds ffc ffd fff ffi ffl ffo ffs fic fid fif fii fil fis flc fld flf fli fll flo fls foc fof foi fol foo fos fsc fsd fsf fsi fsl fso fss i-d i-f icc icd icf ici icl ico ics idc idd idf idi idl ido ids ifc ifd iff ifi ifl ifo ifs iic iid iif iii iil iio iis il- ilc ild ilf ili ill ilo ils io- ioc iod iof ioi iol ioo ios is- isc isd isf isi isl iso iss lcc lcd lcf lci lcl lco lcs ldc ldd ldf ldi ldl ldo lds lfc lfd lff lfi lfl lfo lfs lic lid lif lii lil lio lis llc lld llf lli lll llo lls loc lod lof loi lol loo los lsc lsd lsf lsi lsl lso lss o-i oc- occ ocd ocf oci ocl oco ocs odc odd odf odi odl odo ods of- ofc ofd off ofi ofl ofo ofs oic oid oif oii oil oio ois olc old olf oli oll olo ols oo- ooc ood oof ooi ool ooo oos os- osc osd osf osi osl oso oss scc scd scf sci scl sco scs sdc sdd sdf sdi sdl sdo sds sfc sfd sff sfi sfl sfo sfs sic sid sif sii sil sio sis slc sld slf sli sll slo sls soc sod sof soi sol soo sos ss- ssc ssd ssf ssi ssl sso sss