-ol ddd ddl ddo ddp ddr dds dl- dld dll dlo dlp dlr dls dod dol doo dop dor dos dpd dpl dpo dpp dpr dps drd drl dro drp drr drs dsd dsl dso dsp dsr dss l-p ldd ldl ldo ldp ldr lds lld lll llo llp llr lls lod lol loo lop lor los lpd lpl lpo lpp lpr lps lrd lro lrp lrr lrs lsd lsl lso lsp lsr lss odd odl odo odp odr ods old oll olo olp ols oo- ood ool ooo oop oor oos op- opd opl opo opp opr ops or- ord orl oro orp orr ors os- osd osl oso osp osr oss p-p pdd pdl pdo pdp pdr pds pld pll plo plp plr pls pod pol poo pop por pos ppd ppl ppo ppp ppr pps prd prl pro prp prr prs ps- psd psl pso psp psr pss rdd rdl rdo rdp rdr rds rld rll rlo rlp rlr rls rod rol roo rop ror ros rpd rpl rpo rpp rpr rps rrd rrl rrp rrr rrs rsd rsl rso rsp rsr rss sdd sdl sdo sdp sdr sds sld sll slo slp slr sls sod sol soo sop sor sos spd spl spo spp spr sps sr- srd srl sro srp srr srs ss- ssd ssl sso ssp ssr sss