-er ddd dde ddf ddi ddn ddp ddr de- ded dee def dei den dep der dfd dfe dff dfi dfn dfp dfr di- did die dif dii din dip dir dnd dne dnf dni dnn dnp dnr dpd dpe dpf dpi dpn dpp dpr drd dre dri drn drp drr ed- edd ede edf edi edn edp edr eed eee eef een eep eer ef- efd efe eff efi efp efr eid eie eif eii ein eip eir en- end ene enf eni enn enp enr ep- epd epe epf epi epn epp epr erd ere erf eri ern erp err fdd fde fdf fdi fdn fdp fdr fed fee fef fei fen fep fer ffd ffe fff ffi ffn ffp ffr fid fie fif fii fin fip fir fnd fne fnf fni fnn fnp fnr fpd fpe fpi fpn fpp fpr frd fre frf fri frn frp frr i-d i-f idd ide idf idi idn idp idr ie- ied iee ief iei ien iep ier ifd ife iff ifi ifn ifp ifr iid iie iif iii iin iip iir in- ind ine inf ini inn inp inr ipd ipe ipf ipi ipn ipp ipr ir- ird ire irf iri irn irp irr n-i ndd nde ndf ndi ndn ndp ndr ne- ned nee nef nei nen nep ner nfd nfe nff nfi nfn nfp nfr nid nie nif nii nin nip nir nne nnf nni nnn nnp npd npe npf npi npn npp npr nrd nre nrf nri nrn nrp nrr p-p pdd pde pdf pdi pdn pdp pdr ped pee pef pei pen pep per pfd pfe pff pfi pfn pfp pfr pid pie pif pii pin pip pir pn- pnd pne pnf pni pnn pnp pnr ppd ppe ppf ppi ppn ppp ppr prd pre prf pri prn prp prr rdd rde rdf rdi rdn rdp rdr re- red ree ref rei ren rep rer rfd rfe rff rfi rfn rfp rfr rid rie rif rii rin rip rir rnd rni rnn rnp rnr rpd rpe rpf rpi rpn rpp rpr rrd rrf rri rrn rrp rrr