-ic c-- ccc ccd cci ccr ccu cdc cdd cdi cdr cdu ci- cic cid cii cir ciu crc crd cri crr cru cuc cud cui cur cuu dcc dcd dci dcr dcu ddc ddd ddi ddr ddu di- dic did dii dir diu drc drd dri drr dru duc dud dui dur i-d icc icd ici icr icu idc idd idi idr idu iic iid iii iir iiu ir- irc ird iri irr iru iu- iuc iud iui iur rcc rcd rci rcr rcu rdc rdd rdi rdr rdu ric rid rii rir rrc rrd rri rrr rru ruc rud rui rur ruu ucc ucd uci ucr ucu udc udd udi udr udu uic uid uii uir uiu ur- urc urd uri urr uru uuc uur uuu