-er ddd dde ddf ddg ddi ddn ddo ddr de- ded dee def deg dei den deo der dfd dfe dff dfg dfi dfn dfo dfr dgd dge dgf dgg dgi dgn dgr di- did die dif dig dii din dio dir dnd dne dnf dng dni dnn dno dnr dod doe dof dog doi don doo dor drd dre drg dri drn dro drr ed- edd ede edf edg edi edn edo edr eed eee eef eeg een eeo eer ef- efd efe eff efg efi efo efr egd ege egf egg egi egn ego egr eid eie eif eig eii ein eio eir en- end ene enf eng eni enn eno enr eo- eod eoe eof eog eoi eon eoo eor erd ere erf erg eri ern ero err fdd fde fdf fdg fdi fdn fdo fdr fed fee fef feg fei fen feo fer ffd ffe fff ffg ffi ffn ffo ffr fgd fge fgf fgg fgi fgn fgr fid fie fif fig fii fin fir fnd fne fnf fng fni fnn fnr foe fof fog foi fon foo for frd fre frf frg fri frn fro frr g-d gdd gde gdf gdi gdn gdo gdr ge- ged gee gef geg gei gen geo ger gfd gfe gff gfi gfo gfr ggd ggg ggi ggn ggo ggr gid gie gif gig gii gin gio gir gnd gne gnf gni gnn gno gnr god goe gof gog goi gon goo gor grd gre grf grg gri grn gro grr i-d i-f idd ide idf idg idi idn ido idr ie- ied iee ief ieg iei ien ier ifd ife iff ifg ifi ifn ifo ifr igd ige igf igg igi ign igo igr iid iie iif iii iin iio iir in- ind ine inf ing ini inn ino inr io- iod ioe iof iog ioi ion ioo ior ir- ird ire irf irg iri irn iro irr n-i ndd nde ndf ndg ndi ndn ndo ndr ne- ned nee nef neg nei nen neo ner nfd nfe nff nfi nfn nfo nfr ngd nge ngf ngg ngi ngn ngo nid nie nif nig nii nin nio nir nne nnf nng nni nnn nno no- nod noe nof nog noi non noo nor nrd nre nrf nrg nri nrn nro nrr o-i odd ode odf odg odi odn odo odr oed oee oef oeg oei oen oeo oer of- ofd ofe off ofg ofi ofn ofo ofr ogd oge ogf ogg ogi ogn ogo oid oie oif oii oin oio oir on- ond one onf ong oni onn ono onr oo- ood oof oog ooi oon ooo oor or- ord ore orf org ori orn oro orr rdd rde rdf rdg rdi rdn rdo rdr re- red ree ref reg rei ren reo rer rfd rfe rff rfg rfi rfn rfo rfr rgd rge rgf rgg rgi rgn rgo rgr rid rie rif rig rii rin rio rir rnd rng rni rnn rno rnr rod roe rof rog roi ron roo ror rrd rrf rrg rri rrn rrr