-ic c-- ccc ccd cce cci ccv cdc cdd cde cdi cdv ce- cec ced cee cei cev ci- cic cid cie cii civ cvc cvd cve cvi cvv dcc dcd dce dci dcv ddc ddd dde ddi de- dec ded dee dei dev di- dic did die dii div dvc dvd dve dvi ec- ecc ecd ece eci ecv ed- edc edd ede edi eec eed eee eev eic eid eie eii eiv evc evd eve evi evv i-d i-v icc icd ice ici icv idc idd ide idi idv ie- iec ied iee iei iev iic iid iie iii ivc ivd ive ivi ivv v-e vcc vcd vce vci vdc vdd vde vdi vdv vec ved vee vei vi- vic vid vie vii viv vvc vvi vvv