-up ddd ddi ddl ddp ddr dds ddu di- did dii dil dip dir dis diu dl- dld dli dll dlp dlr dls dlu dpd dpi dpl dpp dpr dps dpu drd dri drl drp drr drs dru dsd dsi dsl dsp dsr dss dsu dud dui dul dup dur dus i-d idd idi idl idp idr ids idu iid iii iil iip iir iis iiu il- ild ili ill ilp ilr ils ilu ipd ipi ipl ipp ipr ips ipu ir- ird iri irl irp irr irs iru is- isd isi isl isp isr iss isu iu- iud iui iup iur ius l-p ldd ldi ldl ldp ldr lds ldu lid lii lil lip lir lis liu lld lli lll llp llr lls llu lpd lpi lpl lpp lpr lps lpu lrd lri lrp lrr lrs lru lsd lsi lsl lsp lsr lss lsu lud lui lul lup lur lus luu p-p pdd pdi pdl pdp pdr pds pdu pid pii pil pip pir pis piu pld pli pll plp plr pls plu ppd ppi ppl ppp ppr pps ppu prd pri prl prp prr prs pru ps- psd psi psl psp psr pss psu pud pui pul pup pur pus puu rdd rdi rdl rdp rdr rds rdu rid rii ril rip rir ris rld rli rll rlp rlr rls rlu rpd rpi rpl rpp rpr rps rpu rrd rri rrl rrp rrr rrs rru rsd rsi rsl rsp rsr rss rsu rud rui rup rur rus ruu sdd sdi sdl sdp sdr sds sdu sid sii sil sip sir sis siu sld sli sll slp slr sls slu spd spi spl spp spr sps spu sr- srd sri srl srp srr srs ss- ssd ssi ssl ssp ssr sss ssu sud sui sul sup sur sus suu udd udi udl udp udr uds udu uid uii uil uip uir uis uiu uld uli ull ulp ulr uls ulu up- upd upi upp upr ups upu ur- urd uri url urp urr urs uru usd usi usl usp usr uss usu uur uus uuu