-ic c-- ccc ccd ccf cci cco ccs ccu cdc cdd cdf cdi cdo cds cdu cfc cfd cff cfi cfo cfs cfu ci- cic cid cif cii cio cis ciu co- coc cod cof coi coo cos cou csc csd csf csi cso css csu cuc cud cuf cui cuo cus cuu dcc dcd dcf dci dco dcs dcu ddc ddd ddf ddi ddo dds ddu dfc dfd dff dfi dfo dfs dfu di- dic did dif dii dio dis diu doc dod dof doi doo dos dou dsc dsd dsf dsi dso dss dsu duc dud duf dui duo dus fcc fcd fcf fci fco fcs fcu fdc fdd fdf fdi fdo fds fdu ffc ffd fff ffi ffo ffs ffu fic fid fif fii fis fiu foc fof foi foo fos fou fsc fsd fsf fsi fso fss fsu fud fuf fui fuo fus fuu i-d i-f icc icd icf ici ico ics icu idc idd idf idi ido ids idu ifc ifd iff ifi ifo ifs ifu iic iid iif iii iio iis iiu io- ioc iod iof ioi ioo ios iou is- isc isd isf isi iso iss isu iu- iuc iud iui ius o-i oc- occ ocd ocf oci oco ocs ocu odc odd odf odi odo ods odu of- ofc ofd off ofi ofo ofs ofu oic oid oif oii oio ois oiu oo- ooc ood oof ooi ooo oos os- osc osd osf osi oso oss osu ou- ouc oud ouf oui ouo ous scc scd scf sci sco scs scu sdc sdd sdf sdi sdo sds sdu sfc sfd sff sfi sfo sfs sfu sic sid sif sii sio sis siu soc sod sof soi soo sos sou ss- ssc ssd ssf ssi sso sss ssu suc sud suf sui suo sus suu ucc ucd ucf uci uco ucs ucu udc udd udf udi udo uds udu ufc ufd uff ufi ufo ufs ufu uic uid uif uii uio uis uiu uoc uod uoo uos usc usd usf usi uso uss usu uuc uus uuu