-ic c-- ccc ccd cci cco ccr ccs ccv cdc cdd cdi cdo cdr cds cdv ci- cic cid cii cio cir cis civ co- coc cod coi coo cor cos cov crc crd cri cro crr crs crv csc csd csi cso csr css csv cvc cvd cvi cvo cvr cvs cvv dcc dcd dci dco dcr dcs dcv ddc ddd ddi ddo ddr dds di- dic did dii dio dir dis div doc dod doi doo dor dos dov drc drd dri dro drr drs drv dsc dsd dsi dso dsr dss dsv dvc dvd dvi dvr dvs i-d i-v icc icd ici ico icr ics icv idc idd idi ido idr ids idv iic iid iii iio iir iis io- ioc iod ioi ioo ior ios iov ir- irc ird iri iro irr irs irv is- isc isd isi iso isr iss isv ivc ivd ivi ivo ivr ivs ivv o-i oc- occ ocd oci oco ocr ocs ocv odc odd odi odo odr ods odv oic oid oii oio oir ois oiv oo- ooc ood ooi ooo oor oos oov or- orc ord ori oro orr ors orv os- osc osd osi oso osr oss osv ov- ovc ovd ovi ovo ovs ovv rcc rcd rci rco rcr rcs rcv rdc rdd rdi rdo rdr rds rdv ric rid rii rio rir ris riv roc rod roi roo ror ros rov rrc rrd rri rrr rrs rsc rsd rsi rso rsr rss rsv rvc rvd rvi rvo rvr rvs rvv scc scd sci sco scr scs scv sdc sdd sdi sdo sdr sds sdv sic sid sii sio sir sis siv soc sod soi soo sor sos sov sr- src srd sri sro srr srs srv ss- ssc ssd ssi sso ssr sss ssv svc svd svi svo svr svs svv vcc vcd vci vco vcr vcs vdc vdd vdi vdo vdr vds vdv vi- vic vid vii vio vir vis viv voc vod voi voo vor vos vov vrc vrd vri vrr vrs vsc vsd vsi vso vsr vss vsv vvc vvi vvo vvr vvs vvv