-ic c-- ccc ccd cce ccf cci ccl cdc cdd cde cdf cdi cdl ce- cec ced cee cef cei cel cfc cfd cfe cff cfi cfl ci- cic cid cie cif cii cil cl- clc cld cle clf cli cll dcc dcd dce dcf dci dcl ddc ddd dde ddf ddi ddl de- dec ded dee def dei del dfc dfd dfe dff dfi dfl di- dic did die dif dii dil dl- dlc dld dle dlf dli dll ec- ecc ecd ece ecf eci ecl ed- edc edd ede edf edi edl eec eed eee eef eel ef- efc efd efe eff efi efl eic eid eie eif eii eil elc eld ele elf eli ell fcc fcd fce fcf fci fcl fdc fdd fde fdf fdi fdl fec fed fee fef fei fel ffc ffd ffe fff ffi ffl fic fid fie fif fii fil flc fld fle flf fli fll i-d i-f icc icd ice icf ici icl idc idd ide idf idi idl ie- iec ied iee ief iei iel ifc ifd ife iff ifi ifl iic iid iie iif iii iil il- ilc ild ile ilf ili ill lcc lcd lce lcf lci lcl ldc ldd lde ldf ldi ldl lec led lee lef lei lel lfc lfd lfe lff lfi lfl lic lid lie lif lii lil llc lld lle llf lli lll