-er ddd dde ddf ddi ddn ddo ddr de- ded dee def dei den deo der dfd dfe dff dfi dfn dfo dfr di- did die dif dii din dio dir dnd dne dnf dni dnn dno dnr dod doe dof doi don doo dor drd dre dri drn dro drr ed- edd ede edf edi edn edo edr eed eee eef een eeo eer ef- efd efe eff efi efo efr eid eie eif eii ein eio eir en- end ene enf eni enn eno enr eo- eod eoe eof eoi eon eoo eor erd ere erf eri ern ero err fdd fde fdf fdi fdn fdo fdr fed fee fef fei fen feo fer ffd ffe fff ffi ffn ffo ffr fid fie fif fii fin fir fnd fne fnf fni fnn fnr foe fof foi fon foo for frd fre frf fri frn fro frr i-d i-f idd ide idf idi idn ido idr ie- ied iee ief iei ien ier ifd ife iff ifi ifn ifo ifr iid iie iif iii iin iio iir in- ind ine inf ini inn ino inr io- iod ioe iof ioi ion ioo ior ir- ird ire irf iri irn iro irr n-i ndd nde ndf ndi ndn ndo ndr ne- ned nee nef nei nen neo ner nfd nfe nff nfi nfn nfo nfr nid nie nif nii nin nio nir nne nnf nni nnn nno no- nod noe nof noi non noo nor nrd nre nrf nri nrn nro nrr o-i odd ode odf odi odn odo odr oed oee oef oei oen oeo oer of- ofd ofe off ofi ofn ofo ofr oid oie oif oii oin oio oir on- ond one onf oni onn ono onr oo- ood oof ooi oon ooo oor or- ord ore orf ori orn oro orr rdd rde rdf rdi rdn rdo rdr re- red ree ref rei ren reo rer rfd rfe rff rfi rfn rfo rfr rid rie rif rii rin rio rir rnd rni rnn rno rnr rod roe rof roi ron roo ror rrd rrf rri rrn rrr