-er -ol ddd dde ddf ddi ddl ddo ddp ddr de- ded dee def dei del deo dep der dfd dfe dff dfi dfl dfo dfp dfr di- did die dif dii dil dio dip dir dl- dld dle dlf dli dll dlo dlp dlr dod doe dof doi dol doo dop dor dpd dpe dpf dpi dpl dpo dpp dpr drd dre dri drl dro drp drr ed- edd ede edf edi edl edo edp edr eed eee eef eel eeo eep eer ef- efd efe eff efi efl efo efp efr eid eie eif eii eil eio eip eir eld ele elf eli ell elo elp elr eo- eod eoe eof eoi eol eoo eop eor ep- epd epe epf epi epl epo epp epr erd ere erf eri erl ero erp err fdd fde fdf fdi fdl fdo fdp fdr fed fee fef fei fel feo fep fer ffd ffe fff ffi ffl ffo ffp ffr fid fie fif fii fil fip fir fld fle flf fli fll flo flp flr foe fof foi fol foo fop for fpd fpe fpi fpl fpo fpp fpr frd fre frf fri frl fro frp frr i-d i-f idd ide idf idi idl ido idp idr ie- ied iee ief iei iel iep ier ifd ife iff ifi ifl ifo ifp ifr iid iie iif iii iil iio iip iir il- ild ile ilf ili ill ilo ilp ilr io- iod ioe iof ioi iol ioo iop ior ipd ipe ipf ipi ipl ipo ipp ipr ir- ird ire irf iri irl iro irp irr l-p ldd lde ldf ldi ldl ldo ldp ldr led lee lef lei lel leo lep ler lfd lfe lff lfi lfl lfo lfp lfr lid lie lif lii lil lio lip lir lld lle llf lli lll llo llp llr lod loe lof loi lol loo lop lor lpd lpe lpf lpi lpl lpo lpp lpr lrd lrf lri lro lrp lrr o-i odd ode odf odi odl odo odp odr oed oee oef oei oel oeo oep oer of- ofd ofe off ofi ofl ofo ofp ofr oid oie oif oii oil oio oip oir old ole olf oli oll olo olp oo- ood oof ooi ool ooo oop oor op- opd ope opf opi opl opo opp opr or- ord ore orf ori orl oro orp orr p-p pdd pde pdf pdi pdl pdo pdp pdr ped pee pef pei pel peo pep per pfd pfe pff pfi pfl pfo pfp pfr pid pie pif pii pil pio pip pir pld ple plf pli pll plo plp plr pod poe pof poi pol poo pop por ppd ppe ppf ppi ppl ppo ppp ppr prd pre prf pri prl pro prp prr rdd rde rdf rdi rdl rdo rdp rdr re- red ree ref rei rel reo rep rer rfd rfe rff rfi rfl rfo rfp rfr rid rie rif rii ril rio rip rir rld rle rlf rli rll rlo rlp rlr rod roe rof roi rol roo rop ror rpd rpe rpf rpi rpl rpo rpp rpr rrd rrf rri rrl rrp rrr