ddd ddi ddl ddr dds ddu di- did dii dil dir dis diu dl- dld dli dll dlr dls dlu drd dri drl drr drs dru dsd dsi dsl dsr dss dsu dud dui dul dur dus i-d idd idi idl idr ids idu iid iii iil iir iis iiu il- ild ili ill ilr ils ilu ir- ird iri irl irr irs iru is- isd isi isl isr iss isu iu- iud iui iur ius ldd ldi ldl ldr lds ldu lid lii lil lir lis liu lld lli lll llr lls llu lrd lri lrr lrs lru lsd lsi lsl lsr lss lsu lud lui lul lur lus luu rdd rdi rdl rdr rds rdu rid rii ril rir ris rld rli rll rlr rls rlu rrd rri rrl rrr rrs rru rsd rsi rsl rsr rss rsu rud rui rur rus ruu sdd sdi sdl sdr sds sdu sid sii sil sir sis siu sld sli sll slr sls slu sr- srd sri srl srr srs ss- ssd ssi ssl ssr sss ssu sud sui sul sur sus suu udd udi udl udr uds udu uid uii uil uir uis uiu uld uli ull ulr uls ulu ur- urd uri url urr urs uru usd usi usl usr uss usu uur uus uuu