ddd ddi ddl ddp ddr dds ddt di- did dii dil dip dir dis dit dl- dld dli dll dlp dlr dls dlt dpd dpi dpl dpp dpr dps dpt drd dri drl drp drr drs drt dsd dsi dsl dsp dsr dss dst dtd dti dtl dtp dtr dts dtt i-d idd idi idl idp idr ids idt iid iii iil iip iir iis iit il- ild ili ill ilp ilr ils ilt ipd ipi ipl ipp ipr ips ipt ir- ird iri irl irp irr irs irt is- isd isi isl isp isr iss ist itd iti itl itp its itt l-p ldd ldi ldl ldp ldr lds ldt lid lii lil lip lir lis lit lld lli lll llp llr lls llt lpd lpi lpl lpp lpr lps lpt lrd lri lrp lrr lrs lrt lsd lsi lsl lsp lsr lss lst ltd lti ltl ltp ltr lts ltt p-p pdd pdi pdl pdp pdr pds pdt pid pii pil pip pir pis pit pld pli pll plp plr pls plt ppd ppi ppl ppp ppr pps ppt prd pri prl prp prr prs prt ps- psd psi psl psp psr pss pst pt- ptd pti ptl ptp ptr pts ptt rdd rdi rdl rdp rdr rds rdt rid rii ril rip rir ris rit rld rli rll rlp rlr rls rlt rpd rpi rpl rpp rpr rps rpt rrd rri rrl rrp rrr rrs rrt rsd rsi rsl rsp rsr rss rst rtd rti rtl rtp rtr rts rtt sdd sdi sdl sdp sdr sds sdt sid sii sil sip sir sis sit sld sli sll slp slr sls slt spd spi spl spp spr sps spt sr- srd sri srl srp srr srs srt ss- ssd ssi ssl ssp ssr sss sst std sti stl stp str sts stt tdd tdi tdl tdp tdr tds tdt tid tii til tip tir tis tit tld tli tll tlp tlr tls tlt tpd tpi tpl tpp tpr tps tpt trd tri trl trp trr trs trt tsd tsi tsl tsp tsr tss tst ttd tti ttl ttp ttr tts ttt