-ic c-- ccc ccd cci cco ccs cct ccu cdc cdd cdi cdo cds cdt cdu ci- cic cid cii cio cis cit ciu co- coc cod coi coo cos cot cou csc csd csi cso css cst csu ctc ctd cti cto cts ctt ctu cuc cud cui cuo cus cut cuu dcc dcd dci dco dcs dct dcu ddc ddd ddi ddo dds ddt ddu di- dic did dii dio dis dit diu doc dod doi doo dos dot dou dsc dsd dsi dso dss dst dsu dtc dtd dti dto dts dtt dtu duc dud dui duo dus dut i-d icc icd ici ico ics ict icu idc idd idi ido ids idt idu iic iid iii iio iis iit iiu io- ioc iod ioi ioo ios iot iou is- isc isd isi iso iss ist isu itc itd iti ito its itt itu iu- iuc iud iui ius iut o-i oc- occ ocd oci oco ocs oct ocu odc odd odi odo ods odt odu oic oid oii oio ois oit oiu oo- ooc ood ooi ooo oos oot os- osc osd osi oso oss ost osu ot- otc otd oti oto ots ott otu ou- ouc oud oui ouo ous out scc scd sci sco scs sct scu sdc sdd sdi sdo sds sdt sdu sic sid sii sio sis sit siu soc sod soi soo sos sot sou ss- ssc ssd ssi sso sss sst ssu stc std sti sto sts stt stu suc sud sui suo sus sut suu tcc tcd tci tco tcs tct tcu tdc tdd tdi tdo tds tdt tdu tic tid tii tio tis tit tiu to- toc tod toi too tos tot tou tsc tsd tsi tso tss tst tsu ttc ttd tti tto tts ttt ttu tuc tud tui tuo tus tut tuu ucc ucd uci uco ucs uct ucu udc udd udi udo uds udt udu uic uid uii uio uis uit uiu uoc uod uoo uos uot usc usd usi uso uss ust usu utc utd uti uto uts utt utu uuc uus uut uuu