-ic c-- ccc ccd ccf cci ccs ccu cdc cdd cdf cdi cds cdu cfc cfd cff cfi cfs cfu ci- cic cid cif cii cis ciu csc csd csf csi css csu cuc cud cuf cui cus cuu dcc dcd dcf dci dcs dcu ddc ddd ddf ddi dds ddu dfc dfd dff dfi dfs dfu di- dic did dif dii dis diu dsc dsd dsf dsi dss dsu duc dud duf dui dus fcc fcd fcf fci fcs fcu fdc fdd fdf fdi fds fdu ffc ffd fff ffi ffs ffu fic fid fif fii fis fiu fsc fsd fsf fsi fss fsu fud fuf fui fus fuu i-d i-f icc icd icf ici ics icu idc idd idf idi ids idu ifc ifd iff ifi ifs ifu iic iid iif iii iis iiu is- isc isd isf isi iss isu iu- iuc iud iui ius scc scd scf sci scs scu sdc sdd sdf sdi sds sdu sfc sfd sff sfi sfs sfu sic sid sif sii sis siu ss- ssc ssd ssf ssi sss ssu suc sud suf sui sus suu ucc ucd ucf uci ucs ucu udc udd udf udi uds udu ufc ufd uff ufi ufs ufu uic uid uif uii uis uiu usc usd usf usi uss usu uuc uus uuu