-ic c-- ccc ccd cce cci cco ccv cdc cdd cde cdi cdo cdv ce- cec ced cee cei ceo cev ci- cic cid cie cii cio civ co- coc cod coe coi coo cov cvc cvd cve cvi cvo cvv dcc dcd dce dci dco dcv ddc ddd dde ddi ddo de- dec ded dee dei deo dev di- dic did die dii dio div doc dod doe doi doo dov dvc dvd dve dvi ec- ecc ecd ece eci eco ecv ed- edc edd ede edi edo eec eed eee eeo eev eic eid eie eii eio eiv eo- eoc eod eoe eoi eoo evc evd eve evi evo evv i-d i-v icc icd ice ici ico icv idc idd ide idi ido idv ie- iec ied iee iei iev iic iid iie iii iio io- ioc iod ioe ioi ioo iov ivc ivd ive ivi ivo ivv o-i oc- occ ocd oci oco ocv odc odd ode odi odo odv oec oed oee oei oeo oic oid oie oii oio oiv oo- ooc ood ooi ooo oov ov- ovc ovd ove ovi ovo ovv v-e vcc vcd vce vci vco vdc vdd vde vdi vdo vdv vec ved vee vei veo vi- vic vid vie vii vio viv voc vod voe voi voo vov vvc vvi vvo vvv