-ic c-- ccc ccd cce cci ccs ccu cdc cdd cde cdi cds cdu ce- cec ced cee cei ces ceu ci- cic cid cie cii cis ciu csc csd cse csi css csu cuc cud cue cui cus cuu dcc dcd dce dci dcs dcu ddc ddd dde ddi dds ddu de- dec ded dee dei des deu di- dic did die dii dis diu dsc dsd dse dsi dss dsu duc dud due dui dus ec- ecc ecd ece eci ecs ecu ed- edc edd ede edi eds edu eec eed eee ees eic eid eie eii eis eiu es- esc esd ese esi ess esu eu- euc eud eue eui eus i-d icc icd ice ici ics icu idc idd ide idi ids idu ie- iec ied iee iei ies iic iid iie iii iis iiu is- isc isd ise isi iss isu iu- iuc iud iue iui ius scc scd sce sci scs scu sdc sdd sde sdi sds sdu se- sec sed see sei ses seu sic sid sie sii sis siu ss- ssc ssd sse ssi sss ssu suc sud sue sui sus suu ucc ucd uce uci ucs ucu udc udd ude udi uds udu uec ued uee uei ues uic uid uie uii uis uiu usc usd use usi uss usu uuc uue uus uuu