-ic c-- ccc ccd cce cci cco ccs ccv cdc cdd cde cdi cdo cds cdv ce- cec ced cee cei ceo ces cev ci- cic cid cie cii cio cis civ co- coc cod coe coi coo cos cov csc csd cse csi cso css csv cvc cvd cve cvi cvo cvs cvv dcc dcd dce dci dco dcs dcv ddc ddd dde ddi ddo dds de- dec ded dee dei deo des dev di- dic did die dii dio dis div doc dod doe doi doo dos dov dsc dsd dse dsi dso dss dsv dvc dvd dve dvi dvs ec- ecc ecd ece eci eco ecs ecv ed- edc edd ede edi edo eds eec eed eee eeo ees eev eic eid eie eii eio eis eiv eo- eoc eod eoe eoi eoo eos es- esc esd ese esi eso ess esv evc evd eve evi evo evs evv i-d i-v icc icd ice ici ico ics icv idc idd ide idi ido ids idv ie- iec ied iee iei ies iev iic iid iie iii iio iis io- ioc iod ioe ioi ioo ios iov is- isc isd ise isi iso iss isv ivc ivd ive ivi ivo ivs ivv o-i oc- occ ocd oci oco ocs ocv odc odd ode odi odo ods odv oec oed oee oei oeo oes oic oid oie oii oio ois oiv oo- ooc ood ooi ooo oos oov os- osc osd ose osi oso oss osv ov- ovc ovd ove ovi ovo ovs ovv scc scd sce sci sco scs scv sdc sdd sde sdi sdo sds sdv se- sec sed see sei seo ses sev sic sid sie sii sio sis siv soc sod soe soi soo sos sov ss- ssc ssd sse ssi sso sss ssv svc svd sve svi svo svs svv v-e vcc vcd vce vci vco vcs vdc vdd vde vdi vdo vds vdv vec ved vee vei veo ves vi- vic vid vie vii vio vis viv voc vod voe voi voo vos vov vsc vsd vse vsi vso vss vsv vvc vvi vvo vvs vvv