-ic c-- ccc ccd cci cco ccs ccu cdc cdd cdi cdo cds cdu ci- cic cid cii cio cis ciu co- coc cod coi coo cos cou csc csd csi cso css csu cuc cud cui cuo cus cuu dcc dcd dci dco dcs dcu ddc ddd ddi ddo dds ddu di- dic did dii dio dis diu doc dod doi doo dos dou dsc dsd dsi dso dss dsu duc dud dui duo dus i-d icc icd ici ico ics icu idc idd idi ido ids idu iic iid iii iio iis iiu io- ioc iod ioi ioo ios iou is- isc isd isi iso iss isu iu- iuc iud iui ius o-i oc- occ ocd oci oco ocs ocu odc odd odi odo ods odu oic oid oii oio ois oiu oo- ooc ood ooi ooo oos os- osc osd osi oso oss osu ou- ouc oud oui ouo ous scc scd sci sco scs scu sdc sdd sdi sdo sds sdu sic sid sii sio sis siu soc sod soi soo sos sou ss- ssc ssd ssi sso sss ssu suc sud sui suo sus suu ucc ucd uci uco ucs ucu udc udd udi udo uds udu uic uid uii uio uis uiu uoc uod uoo uos usc usd usi uso uss usu uuc uus uuu