-er ddd dde ddf ddi ddn ddp ddr ddt de- ded dee def dei den dep der det dfd dfe dff dfi dfn dfp dfr dft di- did die dif dii din dip dir dit dnd dne dnf dni dnn dnp dnr dnt dpd dpe dpf dpi dpn dpp dpr dpt drd dre dri drn drp drr drt dtd dte dtf dti dtn dtp dtr dtt ed- edd ede edf edi edn edp edr edt eed eee eef een eep eer eet ef- efd efe eff efi efp efr eft eid eie eif eii ein eip eir eit en- end ene enf eni enn enp enr ent ep- epd epe epf epi epn epp epr ept erd ere erf eri ern erp err ert etd ete etf eti etn etp etr ett fdd fde fdf fdi fdn fdp fdr fdt fed fee fef fei fen fep fer fet ffd ffe fff ffi ffn ffp ffr fft fid fie fif fii fin fip fir fit fnd fne fnf fni fnn fnp fnr fnt fpd fpe fpi fpn fpp fpr fpt frd fre frf fri frn frp frr frt ftd fte ftf fti ftn ftp ftr ftt i-d i-f idd ide idf idi idn idp idr idt ie- ied iee ief iei ien iep ier iet ifd ife iff ifi ifn ifp ifr ift iid iie iif iii iin iip iir iit in- ind ine inf ini inn inp inr int ipd ipe ipf ipi ipn ipp ipr ipt ir- ird ire irf iri irn irp irr irt itd ite itf iti itn itp itt n-i ndd nde ndf ndi ndn ndp ndr ndt ne- ned nee nef nei nen nep ner net nfd nfe nff nfi nfn nfp nfr nft nid nie nif nii nin nip nir nit nne nnf nni nnn nnp nnt npd npe npf npi npn npp npr npt nrd nre nrf nri nrn nrp nrr nrt ntd nte ntf nti ntn ntp ntr ntt p-p pdd pde pdf pdi pdn pdp pdr pdt ped pee pef pei pen pep per pet pfd pfe pff pfi pfn pfp pfr pft pid pie pif pii pin pip pir pit pn- pnd pne pnf pni pnn pnp pnr pnt ppd ppe ppf ppi ppn ppp ppr ppt prd pre prf pri prn prp prr prt pt- ptd pte ptf pti ptn ptp ptr ptt rdd rde rdf rdi rdn rdp rdr rdt re- red ree ref rei ren rep rer ret rfd rfe rff rfi rfn rfp rfr rft rid rie rif rii rin rip rir rit rnd rni rnn rnp rnr rnt rpd rpe rpf rpi rpn rpp rpr rpt rrd rrf rri rrn rrp rrr rrt rtd rte rtf rti rtn rtp rtr rtt tdd tde tdf tdi tdn tdp tdr tdt te- ted tee tef tei ten tep ter tet tfd tfe tff tfi tfn tfp tfr tft tid tie tif tii tin tip tir tit tnd tne tnf tni tnn tnp tnr tnt tpd tpe tpf tpi tpn tpp tpr tpt trd tre trf tri trn trp trr trt ttd tte ttf tti ttn ttp ttr ttt