-er ddd dde ddi ddl ddn ddp ddr de- ded dee dei del den dep der di- did die dii dil din dip dir dl- dld dle dli dll dlp dlr dnd dne dni dnl dnn dnp dnr dpd dpe dpi dpl dpn dpp dpr drd dre dri drl drn drp drr ed- edd ede edi edl edn edp edr eed eee eel een eep eer eid eie eii eil ein eip eir eld ele eli ell eln elp elr en- end ene eni enl enn enp enr ep- epd epe epi epl epn epp epr erd ere eri erl ern erp err i-d idd ide idi idl idn idp idr ie- ied iee iei iel ien iep ier iid iie iii iil iin iip iir il- ild ile ili ill iln ilp ilr in- ind ine ini inl inn inp inr ipd ipe ipi ipl ipn ipp ipr ir- ird ire iri irl irn irp irr l-p ldd lde ldi ldl ldn ldp ldr led lee lei lel len lep ler lid lie lii lil lin lip lir lld lle lli lll lln llp llr lnd lne lni lnl lnn lnp lnr lpd lpe lpi lpl lpn lpp lpr lrd lri lrn lrp lrr n-i ndd nde ndi ndl ndn ndp ndr ne- ned nee nei nel nen nep ner nid nie nii nil nin nip nir nld nle nli nll nln nlp nlr nne nni nnl nnn nnp npd npe npi npl npn npp npr nrd nre nri nrl nrn nrp nrr p-p pdd pde pdi pdl pdn pdp pdr ped pee pei pel pen pep per pid pie pii pil pin pip pir pld ple pli pll pln plp plr pn- pnd pne pni pnl pnn pnp pnr ppd ppe ppi ppl ppn ppp ppr prd pre pri prl prn prp prr rdd rde rdi rdl rdn rdp rdr re- red ree rei rel ren rep rer rid rie rii ril rin rip rir rld rle rli rll rln rlp rlr rnd rni rnn rnp rnr rpd rpe rpi rpl rpn rpp rpr rrd rri rrl rrn rrp rrr