-ol ddd ddf ddl ddo ddp ddr dds dfd dff dfl dfo dfp dfr dfs dl- dld dlf dll dlo dlp dlr dls dod dof dol doo dop dor dos dpd dpf dpl dpo dpp dpr dps drd drl dro drp drr drs dsd dsf dsl dso dsp dsr dss fdd fdf fdl fdo fdp fdr fds ffd fff ffl ffo ffp ffr ffs fld flf fll flo flp flr fls fof fol foo fop for fos fpd fpl fpo fpp fpr fps frd frf frl fro frp frr frs fsd fsf fsl fso fsp fsr fss l-p ldd ldf ldl ldo ldp ldr lds lfd lff lfl lfo lfp lfr lfs lld llf lll llo llp llr lls lod lof lol loo lop lor los lpd lpf lpl lpo lpp lpr lps lrd lrf lro lrp lrr lrs lsd lsf lsl lso lsp lsr lss odd odf odl odo odp odr ods of- ofd off ofl ofo ofp ofr ofs old olf oll olo olp ols oo- ood oof ool ooo oop oor oos op- opd opf opl opo opp opr ops or- ord orf orl oro orp orr ors os- osd osf osl oso osp osr oss p-p pdd pdf pdl pdo pdp pdr pds pfd pff pfl pfo pfp pfr pfs pld plf pll plo plp plr pls pod pof pol poo pop por pos ppd ppf ppl ppo ppp ppr pps prd prf prl pro prp prr prs ps- psd psf psl pso psp psr pss rdd rdf rdl rdo rdp rdr rds rfd rff rfl rfo rfp rfr rfs rld rlf rll rlo rlp rlr rls rod rof rol roo rop ror ros rpd rpf rpl rpo rpp rpr rps rrd rrf rrl rrp rrr rrs rsd rsf rsl rso rsp rsr rss sdd sdf sdl sdo sdp sdr sds sfd sff sfl sfo sfp sfr sfs sld slf sll slo slp slr sls sod sof sol soo sop sor sos spd spf spl spo spp spr sps sr- srd srf srl sro srp srr srs ss- ssd ssf ssl sso ssp ssr sss