-ic -ol c-- ccc ccd ccf cci ccl cco cdc cdd cdf cdi cdl cdo cfc cfd cff cfi cfl cfo ci- cic cid cif cii cil cio cl- clc cld clf cli cll clo co- coc cod cof coi col coo dcc dcd dcf dci dcl dco ddc ddd ddf ddi ddl ddo dfc dfd dff dfi dfl dfo di- dic did dif dii dil dio dl- dlc dld dlf dli dll dlo doc dod dof doi dol doo fcc fcd fcf fci fcl fco fdc fdd fdf fdi fdl fdo ffc ffd fff ffi ffl ffo fic fid fif fii fil flc fld flf fli fll flo foc fof foi fol foo i-d i-f icc icd icf ici icl ico idc idd idf idi idl ido ifc ifd iff ifi ifl ifo iic iid iif iii iil iio il- ilc ild ilf ili ill ilo io- ioc iod iof ioi iol ioo lcc lcd lcf lci lcl lco ldc ldd ldf ldi ldl ldo lfc lfd lff lfi lfl lfo lic lid lif lii lil lio llc lld llf lli lll llo loc lod lof loi lol loo o-i oc- occ ocd ocf oci ocl oco odc odd odf odi odl odo of- ofc ofd off ofi ofl ofo oic oid oif oii oil oio olc old olf oli oll olo oo- ooc ood oof ooi ool ooo