-er ddd dde ddf ddi ddn ddo ddp ddr de- ded dee def dei den deo dep der dfd dfe dff dfi dfn dfo dfp dfr di- did die dif dii din dio dip dir dnd dne dnf dni dnn dno dnp dnr dod doe dof doi don doo dop dor dpd dpe dpf dpi dpn dpo dpp dpr drd dre dri drn dro drp drr ed- edd ede edf edi edn edo edp edr eed eee eef een eeo eep eer ef- efd efe eff efi efo efp efr eid eie eif eii ein eio eip eir en- end ene enf eni enn eno enp enr eo- eod eoe eof eoi eon eoo eop eor ep- epd epe epf epi epn epo epp epr erd ere erf eri ern ero erp err fdd fde fdf fdi fdn fdo fdp fdr fed fee fef fei fen feo fep fer ffd ffe fff ffi ffn ffo ffp ffr fid fie fif fii fin fip fir fnd fne fnf fni fnn fnp fnr foe fof foi fon foo fop for fpd fpe fpi fpn fpo fpp fpr frd fre frf fri frn fro frp frr i-d i-f idd ide idf idi idn ido idp idr ie- ied iee ief iei ien iep ier ifd ife iff ifi ifn ifo ifp ifr iid iie iif iii iin iio iip iir in- ind ine inf ini inn ino inp inr io- iod ioe iof ioi ion ioo iop ior ipd ipe ipf ipi ipn ipo ipp ipr ir- ird ire irf iri irn iro irp irr n-i ndd nde ndf ndi ndn ndo ndp ndr ne- ned nee nef nei nen neo nep ner nfd nfe nff nfi nfn nfo nfp nfr nid nie nif nii nin nio nip nir nne nnf nni nnn nno nnp no- nod noe nof noi non noo nop nor npd npe npf npi npn npo npp npr nrd nre nrf nri nrn nro nrp nrr o-i odd ode odf odi odn odo odp odr oed oee oef oei oen oeo oep oer of- ofd ofe off ofi ofn ofo ofp ofr oid oie oif oii oin oio oip oir on- ond one onf oni onn ono onp onr oo- ood oof ooi oon ooo oop oor op- opd ope opf opi opn opo opp opr or- ord ore orf ori orn oro orp orr p-p pdd pde pdf pdi pdn pdo pdp pdr ped pee pef pei pen peo pep per pfd pfe pff pfi pfn pfo pfp pfr pid pie pif pii pin pio pip pir pn- pnd pne pnf pni pnn pno pnp pnr pod poe pof poi pon poo pop por ppd ppe ppf ppi ppn ppo ppp ppr prd pre prf pri prn pro prp prr rdd rde rdf rdi rdn rdo rdp rdr re- red ree ref rei ren reo rep rer rfd rfe rff rfi rfn rfo rfp rfr rid rie rif rii rin rio rip rir rnd rni rnn rno rnp rnr rod roe rof roi ron roo rop ror rpd rpe rpf rpi rpn rpo rpp rpr rrd rrf rri rrn rrp rrr