-ol ddd ddf ddl ddo ddp ddr dfd dff dfl dfo dfp dfr dl- dld dlf dll dlo dlp dlr dod dof dol doo dop dor dpd dpf dpl dpo dpp dpr drd drl dro drp drr fdd fdf fdl fdo fdp fdr ffd fff ffl ffo ffp ffr fld flf fll flo flp flr fof fol foo fop for fpd fpl fpo fpp fpr frd frf frl fro frp frr l-p ldd ldf ldl ldo ldp ldr lfd lff lfl lfo lfp lfr lld llf lll llo llp llr lod lof lol loo lop lor lpd lpf lpl lpo lpp lpr lrd lrf lro lrp lrr odd odf odl odo odp odr of- ofd off ofl ofo ofp ofr old olf oll olo olp oo- ood oof ool ooo oop oor op- opd opf opl opo opp opr or- ord orf orl oro orp orr p-p pdd pdf pdl pdo pdp pdr pfd pff pfl pfo pfp pfr pld plf pll plo plp plr pod pof pol poo pop por ppd ppf ppl ppo ppp ppr prd prf prl pro prp prr rdd rdf rdl rdo rdp rdr rfd rff rfl rfo rfp rfr rld rlf rll rlo rlp rlr rod rof rol roo rop ror rpd rpf rpl rpo rpp rpr rrd rrf rrl rrp rrr