ddd ddi ddl ddr dds ddt ddu di- did dii dil dir dis dit diu dl- dld dli dll dlr dls dlt dlu drd dri drl drr drs drt dru dsd dsi dsl dsr dss dst dsu dtd dti dtl dtr dts dtt dtu dud dui dul dur dus dut i-d idd idi idl idr ids idt idu iid iii iil iir iis iit iiu il- ild ili ill ilr ils ilt ilu ir- ird iri irl irr irs irt iru is- isd isi isl isr iss ist isu itd iti itl its itt itu iu- iud iui iur ius iut ldd ldi ldl ldr lds ldt ldu lid lii lil lir lis lit liu lld lli lll llr lls llt llu lrd lri lrr lrs lrt lru lsd lsi lsl lsr lss lst lsu ltd lti ltl ltr lts ltt ltu lud lui lul lur lus lut luu rdd rdi rdl rdr rds rdt rdu rid rii ril rir ris rit rld rli rll rlr rls rlt rlu rrd rri rrl rrr rrs rrt rru rsd rsi rsl rsr rss rst rsu rtd rti rtl rtr rts rtt rtu rud rui rur rus rut ruu sdd sdi sdl sdr sds sdt sdu sid sii sil sir sis sit siu sld sli sll slr sls slt slu sr- srd sri srl srr srs srt ss- ssd ssi ssl ssr sss sst ssu std sti stl str sts stt stu sud sui sul sur sus sut suu tdd tdi tdl tdr tds tdt tdu tid tii til tir tis tit tiu tld tli tll tlr tls tlt tlu trd tri trl trr trs trt tru tsd tsi tsl tsr tss tst tsu ttd tti ttl ttr tts ttt ttu tud tui tul tur tus tut tuu udd udi udl udr uds udt udu uid uii uil uir uis uit uiu uld uli ull ulr uls ult ulu ur- urd uri url urr urs urt uru usd usi usl usr uss ust usu utd uti utl utr uts utt utu uur uus uut uuu