-ic c-- ccc ccd cci cco ccr ccs ccu cdc cdd cdi cdo cdr cds cdu ci- cic cid cii cio cir cis ciu co- coc cod coi coo cor cos cou crc crd cri cro crr crs cru csc csd csi cso csr css csu cuc cud cui cuo cur cus cuu dcc dcd dci dco dcr dcs dcu ddc ddd ddi ddo ddr dds ddu di- dic did dii dio dir dis diu doc dod doi doo dor dos dou drc drd dri dro drr drs dru dsc dsd dsi dso dsr dss dsu duc dud dui duo dur dus i-d icc icd ici ico icr ics icu idc idd idi ido idr ids idu iic iid iii iio iir iis iiu io- ioc iod ioi ioo ior ios iou ir- irc ird iri iro irr irs iru is- isc isd isi iso isr iss isu iu- iuc iud iui iur ius o-i oc- occ ocd oci oco ocr ocs ocu odc odd odi odo odr ods odu oic oid oii oio oir ois oiu oo- ooc ood ooi ooo oor oos or- orc ord ori oro orr ors oru os- osc osd osi oso osr oss osu ou- ouc oud oui ouo our ous rcc rcd rci rco rcr rcs rcu rdc rdd rdi rdo rdr rds rdu ric rid rii rio rir ris roc rod roi roo ror ros rou rrc rrd rri rrr rrs rru rsc rsd rsi rso rsr rss rsu ruc rud rui ruo rur rus ruu scc scd sci sco scr scs scu sdc sdd sdi sdo sdr sds sdu sic sid sii sio sir sis siu soc sod soi soo sor sos sou sr- src srd sri sro srr srs ss- ssc ssd ssi sso ssr sss ssu suc sud sui suo sur sus suu ucc ucd uci uco ucr ucs ucu udc udd udi udo udr uds udu uic uid uii uio uir uis uiu uoc uod uoo uor uos ur- urc urd uri uro urr urs uru usc usd usi uso usr uss usu uuc uur uus uuu