-ic c-- ccc ccd cci ccs ccu cdc cdd cdi cds cdu ci- cic cid cii cis ciu csc csd csi css csu cuc cud cui cus cuu dcc dcd dci dcs dcu ddc ddd ddi dds ddu di- dic did dii dis diu dsc dsd dsi dss dsu duc dud dui dus i-d icc icd ici ics icu idc idd idi ids idu iic iid iii iis iiu is- isc isd isi iss isu iu- iuc iud iui ius scc scd sci scs scu sdc sdd sdi sds sdu sic sid sii sis siu ss- ssc ssd ssi sss ssu suc sud sui sus suu ucc ucd uci ucs ucu udc udd udi uds udu uic uid uii uis uiu usc usd usi uss usu uuc uus uuu