-ic c-- ccc ccd cce ccf cci cco cdc cdd cde cdf cdi cdo ce- cec ced cee cef cei ceo cfc cfd cfe cff cfi cfo ci- cic cid cie cif cii cio co- coc cod coe cof coi coo dcc dcd dce dcf dci dco ddc ddd dde ddf ddi ddo de- dec ded dee def dei deo dfc dfd dfe dff dfi dfo di- dic did die dif dii dio doc dod doe dof doi doo ec- ecc ecd ece ecf eci eco ed- edc edd ede edf edi edo eec eed eee eef eeo ef- efc efd efe eff efi efo eic eid eie eif eii eio eo- eoc eod eoe eof eoi eoo fcc fcd fce fcf fci fco fdc fdd fde fdf fdi fdo fec fed fee fef fei feo ffc ffd ffe fff ffi ffo fic fid fie fif fii foc foe fof foi foo i-d i-f icc icd ice icf ici ico idc idd ide idf idi ido ie- iec ied iee ief iei ifc ifd ife iff ifi ifo iic iid iie iif iii iio io- ioc iod ioe iof ioi ioo o-i oc- occ ocd ocf oci oco odc odd ode odf odi odo oec oed oee oef oei oeo of- ofc ofd ofe off ofi ofo oic oid oie oif oii oio oo- ooc ood oof ooi ooo