-ic c-- ccc ccd cci cck cco ccr ccs ccv cdc cdd cdi cdk cdo cdr cds cdv ci- cic cid cii cik cio cir cis civ ckc ckd cki cko cks co- coc cod coi cok coo cor cos cov crc crd cri crk cro crr crs crv csc csd csi csk cso csr css csv cvc cvd cvi cvk cvo cvr cvs cvv dcc dcd dci dck dco dcr dcs dcv ddc ddd ddi ddk ddo ddr dds di- dic did dii dik dio dir dis div dkc dki dkk dko dkr dks doc dod doi dok doo dor dos dov drc drd dri drk dro drr drs drv dsc dsd dsi dsk dso dsr dss dsv dvc dvd dvi dvk dvr dvs i-d i-v icc icd ici ick ico icr ics icv idc idd idi idk ido idr ids idv iic iid iii iio iir iis ikc iki ikk iko ikr iks ikv io- ioc iod ioi ioo ior ios iov ir- irc ird iri irk iro irr irs irv is- isc isd isi isk iso isr iss isv ivc ivd ivi ivo ivr ivs ivv kcc kcd kci kck kcr kcs kdc kdk kdo kdr kds kic kid kii kik kio kir kis kiv kkc kki kkk kkr kks kkv koc kod koi kok koo kor kos krc krd kri krk kro krr krs krv ksc ksd ksi ksk kso ksr kss ksv kvi kvk kvo kvr kvs kvv o-i oc- occ ocd oci ock oco ocr ocs ocv odc odd odi odo odr ods odv oic oid oii oik oio oir ois oiv okc okd oki okk oko okr oks oo- ooc ood ooi ook ooo oor oos oov or- orc ord ori ork oro orr ors orv os- osc osd osi osk 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 rik rio rir ris riv rkc rkk rko rks rkv roc rod roi rok roo ror ros rov rrc rrd rri rrk rrr rrs rsc rsd rsi rsk rso rsr rss rsv rvc rvd rvi rvo rvr rvs rvv scc scd sci sck sco scr scs scv sdc sdd sdi sdk sdo sdr sds sdv sic sid sii sik sio sir sis siv sk- skc skd ski skk sko skr sks soc sod soi sok soo sor sos sov sr- src srd sri srk sro srr srs srv ss- ssc ssd ssi ssk sso ssr sss ssv svc svd svi svk svo svr svs svv vcc vcd vci vco vcr vcs vdc vdd vdi vdk vdo vdr vds vdv vi- vic vid vii vik vio vir vis viv voc vod voi vok voo vor vos vov vrc vrd vri vrk vrr vrs vsc vsd vsi vsk vso vsr vss vsv vvc vvi vvo vvr vvs vvv