-ic c-- ccc ccd cci ccl ccr ccs ccu cdc cdd cdi cdl cdr cds cdu ci- cic cid cii cil cir cis ciu cl- clc cld cli cll clr cls clu crc crd cri crl crr crs cru csc csd csi csl csr css csu cuc cud cui cul cur cus cuu dcc dcd dci dcl dcr dcs dcu ddc ddd ddi ddl ddr dds ddu di- dic did dii dil dir dis diu dl- dlc dld dli dll dlr dls dlu drc drd dri drl drr drs dru dsc dsd dsi dsl dsr dss dsu duc dud dui dul dur dus i-d icc icd ici icl icr ics icu idc idd idi idl idr ids idu iic iid iii iil iir iis iiu il- ilc ild ili ill ilr ils ilu ir- irc ird iri irl irr irs iru is- isc isd isi isl isr iss isu iu- iuc iud iui iur ius lcc lcd lci lcl lcr lcs lcu ldc ldd ldi ldl ldr lds ldu lic lid lii lil lir lis liu llc lld lli lll llr lls llu lrc lrd lri lrr lrs lru lsc lsd lsi lsl lsr lss lsu luc lud lui lul lur lus luu rcc rcd rci rcl rcr rcs rcu rdc rdd rdi rdl rdr rds rdu ric rid rii ril rir ris rlc rld rli rll rlr rls rlu rrc rrd rri rrl rrr rrs rru rsc rsd rsi rsl rsr rss rsu ruc rud rui rur rus ruu scc scd sci scl scr scs scu sdc sdd sdi sdl sdr sds sdu sic sid sii sil sir sis siu slc sld sli sll slr sls slu sr- src srd sri srl srr srs ss- ssc ssd ssi ssl ssr sss ssu suc sud sui sul sur sus suu ucc ucd uci ucl ucr ucs ucu udc udd udi udl udr uds udu uic uid uii uil uir uis uiu ulc uld uli ull ulr uls ulu ur- urc urd uri url urr urs uru usc usd usi usl usr uss usu uuc uur uus uuu