ddd ddi ddl ddr dds di- did dii dil dir dis dl- dld dli dll dlr dls drd dri drl drr drs dsd dsi dsl dsr dss i-d idd idi idl idr ids iid iii iil iir iis il- ild ili ill ilr ils ir- ird iri irl irr irs is- isd isi isl isr iss ldd ldi ldl ldr lds lid lii lil lir lis lld lli lll llr lls lrd lri lrr lrs lsd lsi lsl lsr lss rdd rdi rdl rdr rds rid rii ril rir ris rld rli rll rlr rls rrd rri rrl rrr rrs rsd rsi rsl rsr rss sdd sdi sdl sdr sds sid sii sil sir sis sld sli sll slr sls sr- srd sri srl srr srs ss- ssd ssi ssl ssr sss