-ic c-- ccc ccd cci cck cco ccs ccu ccv cdc cdd cdi cdk cdo cds cdu cdv ci- cic cid cii cik cio cis ciu civ ckc ckd cki cko cks co- coc cod coi cok coo cos cou cov csc csd csi csk cso css csu csv cuc cud cui cuk cuo cus cuu cuv cvc cvd cvi cvk cvo cvs cvu cvv dcc dcd dci dck dco dcs dcu dcv ddc ddd ddi ddk ddo dds ddu di- dic did dii dik dio dis diu div dkc dki dkk dko dks dku doc dod doi dok doo dos dou dov dsc dsd dsi dsk dso dss dsu dsv duc dud dui duk duo dus duv dvc dvd dvi dvk dvs dvu i-d i-v icc icd ici ick ico ics icu icv idc idd idi idk ido ids idu idv iic iid iii iio iis iiu ikc iki ikk iko iks iku ikv io- ioc iod ioi ioo ios iou iov is- isc isd isi isk iso iss isu isv iu- iuc iud iui ius ivc ivd ivi ivo ivs ivu ivv kcc kcd kci kck kcs kcu kdc kdk kdo kds kdu kic kid kii kik kio kis kiu kiv kkc kki kkk kks kku kkv koc kod koi kok koo kos kou ksc ksd ksi ksk kso kss ksu ksv kuc kud kui kuk kus kuu kvi kvk kvo kvs kvv o-i oc- occ ocd oci ock oco ocs ocu ocv odc odd odi odo ods odu odv oic oid oii oik oio ois oiu oiv okc okd oki okk oko oks oku oo- ooc ood ooi ook ooo oos oov os- osc osd osi osk oso oss osu osv ou- ouc oud oui ouk ouo ous ov- ovc ovd ovi ovo ovs ovv scc scd sci sck sco scs scu scv sdc sdd sdi sdk sdo sds sdu sdv sic sid sii sik sio sis siu siv sk- skc skd ski skk sko sks sku soc sod soi sok soo sos sou sov ss- ssc ssd ssi ssk sso sss ssu ssv suc sud sui suk suo sus suu suv svc svd svi svk svo svs svu svv ucc ucd uci uck uco ucs ucu ucv udc udd udi udk udo uds udu udv uic uid uii uio uis uiu ukc uki ukk uku uoc uod uok uoo uos usc usd usi usk uso uss usu usv uuc uus uuu uvc uvo uvs uvu uvv vcc vcd vci vco vcs vcu vdc vdd vdi vdk vdo vds vdu vdv vi- vic vid vii vik vio vis viu viv voc vod voi vok voo vos vou vov vsc vsd vsi vsk vso vss vsu vsv vuk vus vuv vvc vvi vvo vvs vvv